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Thread: Closing in on a problem

  1. #1
    Fuel Injected! 1great40's Avatar
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    Closing in on a problem

    Hi Guys, I'm looking for a little help here. I have been dealing with Mark, he made me a new PROM for my 1227747 TBI computer.

    I'm running a 4.3 Chevy V6 in my 40 Ford pickup and using a Painless Performance wiring harness. I have had a problem with the idle speed on this engine ever since I got it running. I'm sort of a FI newbie so bear with me.

    I decided that an idle speed of 725 RPM would be about right for my engine. It felt smooth at this speed. The original idle was about 630 or so and It loaded down to about 500 in drive. The PROM I got had the idle speed set to 725. I installed the PROM and didn't really notice much of a difference in the idle speed. I hooked up an Actron scanner to the ALDL and started the truck and let it warm up. Sure enough the idle was 725 and it stayed at 725 in gear. Leaving the scanner connected, I drove the truck around a while. I was quite pleased. Later when I disconnected the scanner, the idle was about 725 in park but dropped down to around 500 again in gear.

    To make a long story short, Mark had defaulted the idle speed in the diagnostic mode to 725 as well so when the scanner was hooked up, the engine ran at 725. When the engine was not in diagnostic mode, it was not under the control of the computer in drive. The engine was showing IAC counts of 15 at 725 RPM. I checked the Park/neutral switch wiring and the B-10 input to the computer was ground in park and 13.3 volts in drive just as it should be. I verified that the P/N wire did go to the B-10 terminal on the connector and that the connector pins were not bent on the ECU.

    My thinking is that the ECU has taken a dump. The only other thing I'm wondering about is the AC request line. Does that have control over the idle? The AC is not yet charged so it will not run.

    I don't mind buying another ECU but It would be great to really solve the problem before throwing parts at it. Any input would be appreciated.

  2. #2
    Super Moderator dave w's Avatar
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    I've always been challenged with getting idle speeds set correctly with a vehicle in drive, when the Park / Neutral input (B10) is grounded. With B10 grounded, the ECM thinks the vehicle is always in Park or Neutral. Adding a VSS is not a silver bullet fix all, quite often issues like / similar to the one your are experiencing are often resolved with a VSS. I only recommend grounding B10 for Off Road Only vehicles.

    dave w

  3. #3
    Fuel Injected! 1great40's Avatar
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    Thanks Dave. The setup I have is only grounding the B10 input when the vehicle is in park. Once it's out of park, that line is pulled up to battery voltage through an internal pull up resistor in the ECM. That's the way it was done at the factory and that's the way Painless implements it as well in their harness. The truck uses the factory VSS and it feeds a Dakota Digital SGI-5 Universal Signal Interface. I am using the 2000PPM output to fed the ECM. Please explain how the VSS interacts with the idle speed. Maybe I have something wrong with how I wired it.

  4. #4
    Super Moderator dave w's Avatar
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    I don't think you have anything wired wrong. The Painless Wiring Instruction Manual I have, outlines two options for B10, permanently grounded for no emission / no VSS applications or a Park / Neutral switch. I was thinking you had B10 permanently grounded.

    I've never measured B10 voltages. The factory wiring diagram shows when the transmission selector switch is in either Park / Neutral ~ ground is applied to B10, otherwise B10 is an open. Measuring an open circuit with a volt meter will typically reflect / show the source voltage.

    ECM subroutines, like Deceleration Fuel Cutoff (DFCO) are a function of the VSS input. I don't know enough about the 1227747 code to know all the ECM subroutines related to VSS and idle. For all I know, there could be a timer that is activated when the VSS pulses go to Zero to start a subroutine for Idle.

    Maybe you can post a .xdl file and the .bin file your using?

    dave w

  5. #5
    Fuel Injected!
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    Is this a B10 problem or do you just need the idle to stick to 725 in drive? Should be a setting for Idle in P/N and Idle in Gear.
    1995 Chevy C2500 Suburban 5.7 4L80-E, 16197427, BNKM, $31

    Hooker Long Tubes headers, dual 2.25" exhuast, mufflers. TBI mods, Moates APU1, TunerProRT, CAI, 4 core radiator

  6. #6
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    I don't believe there are separate park/in-gear idle rpm settings in a 7747 ECM. It uses a single table.

    There is a %TPS to enable open loop idle setting. Having the %TPS with the throttle closed above this setting could be keeping the ECM out of closed loop idle control. There is also a speed setting that works the same way but I would have to believe the VSS you're using wouldn't give any speed pulses when you are stopped.

    Why does your scanner change the idle rpm? Check what it does when connected. There is a resistor you can connect across a couple of ALDL pins to put the ECM into different troubleshooting modes but that resistor is not needed or desired for a 7747 ECM.

    You really need to check that the engine is in closed loop idle control or not. you can even try adjusting the idle screw a small amount. The ECM should compensate by adjusting the IAC motor the opposite way to maintain idle. This works as long as you're within the operating range of the IAC motor.

  7. #7
    Fuel Injected!
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    is the 4.3 you have a vortic?

  8. #8
    Fuel Injected! 1great40's Avatar
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    Thank you for the responses. The engine is a basic pre balance shaft, pre Vortec 4.3

    Lionel, can you please go into more detail about the %TPS stuff. Please spoon feed me here including explanations of 3 letter acronyms. :)

    According to the scanner the engine does attain closed loop operation. The Actron scanner I have access to sets the engine RPM. I don't know why, it just does. That's what fooled me into thinking all was well when I installed the new PROM I got from Mark. He defaulted the diagnostic RPM to 725 as well. Without the scanner attached, even though the PROM is programmed for an idle of 725, I have a hot idle of a little over 600 and it drops to about 500 in drive, so the computer is doing squat to control the idle speed. Is it possible to have the engine operating closed loop but the idle operating open loop?
    Last edited by 1great40; 06-21-2014 at 05:14 AM.

  9. #9
    Fuel Injected!
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    do you have a moniter mode on your scanner? one scaner I have has a diagnoses mode which sets the ecm to were it wants and its got a ok to drive mode that just shows sensor data as you drive.

  10. #10
    Fuel Injected! 1great40's Avatar
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    Quote Originally Posted by ony View Post
    do you have a moniter mode on your scanner? one scaner I have has a diagnoses mode which sets the ecm to were it wants and its got a ok to drive mode that just shows sensor data as you drive.
    I will have to check that out. With the the original prom, connecting the scanner would set the idle to 1000 rpm. With the prom from Mark, connecting the scanner sets the idle to 725. I will have to see if there's a mode that just lets me watch the data and not trick the idle.

  11. #11
    RIP EagleMark's Avatar
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    That Scan tool you are using is always in 10K mode!

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  12. #12
    Fuel Injected! 1great40's Avatar
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    Quote Originally Posted by EagleMark View Post
    That Scan tool you are using is always in 10K mode!

    That seems to be the case. The scanner is borrowed so I never really have a lot of time to learn with it. I will probably download the user manual so I can learn more.

  13. #13
    Fuel Injected! 1great40's Avatar
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    I got my hands on the scanner today. The software that comes with it will allow me to print out the data but. I dont know how to save it as anything but a txt file. I'm sorry if I'm being a pest with this but I don't know anyone in my local area who's got the experience with this stuff. This is the 2nd set of data that I took. The first set was with the engine going open loop on me. This is a new condition for me, I had never seen the engine go open loop once it warmed up but dropping it in gear to require more fuel or revving it a bit puts it back into closed loop so now it looks like I have another problem to address although its doubtful it will ever go open loop while idling in drive. Here it is:

    Vehicle Data List




    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.7
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 700
    EXHAUST 02 LEAN
    HIGH BATTERY NO
    IAC POSITION 10
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.16
    O2S(mV) 515
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 107
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:-5 Time:-5.7


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 LEAN
    HIGH BATTERY NO
    IAC POSITION 12
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.06
    O2S(mV) 528
    O2S CROSSCNTS 78
    P/N SWITCH P/N
    PROM ID 105
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:-4 Time:-4.5


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 750
    EXHAUST 02 LEAN
    HIGH BATTERY NO
    IAC POSITION 12
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.12
    O2S(mV) 666
    O2S CROSSCNTS 78
    P/N SWITCH P/N
    PROM ID 105
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:-3 Time:-3.4


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 12
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.12
    O2S(mV) 533
    O2S CROSSCNTS 78
    P/N SWITCH P/N
    PROM ID 103
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:-2 Time:-2.3


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 750
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 12
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.08
    O2S(mV) 617
    O2S CROSSCNTS 78
    P/N SWITCH P/N
    PROM ID 105
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:-1 Time:-1.1


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 LEAN
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.10
    O2S(mV) 524
    O2S CROSSCNTS 78
    P/N SWITCH P/N
    PROM ID 105
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame: 0 Time: 0.0


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.7
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 LEAN
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.12
    O2S(mV) 737
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 103
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame: 1 Time: 1.1


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 LEAN
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.10
    O2S(mV) 719
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 103
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame: 2 Time: 2.3


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.12
    O2S(mV) 493
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 109
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame: 3 Time: 3.4


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.08
    O2S(mV) 622
    O2S CROSSCNTS 78
    P/N SWITCH P/N
    PROM ID 105
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame: 4 Time: 4.5


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 LEAN
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.12
    O2S(mV) 697
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 102
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame: 5 Time: 5.7


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.12
    O2S(mV) 639
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 105
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame: 6 Time: 6.8


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 LEAN
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.10
    O2S(mV) 639
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 103
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame: 7 Time: 7.9


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.06
    O2S(mV) 635
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 103
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame: 8 Time: 9.1


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 700
    EXHAUST 02 LEAN
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.06
    O2S(mV) 591
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 102
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame: 9 Time:10.2


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.06
    O2S(mV) 537
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 103
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:10 Time:11.3


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.08
    O2S(mV) 599
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 103
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:11 Time:12.5


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.7
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.08
    O2S(mV) 733
    O2S CROSSCNTS 78
    P/N SWITCH P/N
    PROM ID 106
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:12 Time:13.6


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 LEAN
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.10
    O2S(mV) 577
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 102
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:13 Time:14.7


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.10
    O2S(mV) 733
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 102
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:14 Time:15.9


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.12
    O2S(mV) 559
    O2S CROSSCNTS 78
    P/N SWITCH P/N
    PROM ID 102
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:15 Time:17.0


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.10
    O2S(mV) 710
    O2S CROSSCNTS 78
    P/N SWITCH P/N
    PROM ID 102
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:16 Time:18.1


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.10
    O2S(mV) 617
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 102
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:17 Time:19.3


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 700
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.12
    O2S(mV) 684
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 103
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:18 Time:20.4


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 750
    EXHAUST 02 LEAN
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.12
    O2S(mV) 666
    O2S CROSSCNTS 78
    P/N SWITCH P/N
    PROM ID 107
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:19 Time:21.5


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 LEAN
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.08
    O2S(mV) 591
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 104
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:20 Time:22.7


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.12
    O2S(mV) 608
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 103
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:21 Time:23.8


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 750
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.08
    O2S(mV) 679
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 103
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:22 Time:24.9


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.10
    O2S(mV) 591
    O2S CROSSCNTS 78
    P/N SWITCH P/N
    PROM ID 105
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:23 Time:26.1


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 LEAN
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.10
    O2S(mV) 604
    O2S CROSSCNTS 78
    P/N SWITCH P/N
    PROM ID 102
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:24 Time:27.2


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.5
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 750
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.06
    O2S(mV) 622
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 103
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:25 Time:28.4


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 750
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 10
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.08
    O2S(mV) 648
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 105
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:26 Time:29.5


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 700
    EXHAUST 02 LEAN
    HIGH BATTERY NO
    IAC POSITION 10
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.12
    O2S(mV) 630
    O2S CROSSCNTS 75
    P/N SWITCH P/N
    PROM ID 102
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:27 Time:30.6


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.7
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 750
    EXHAUST 02 LEAN
    HIGH BATTERY NO
    IAC POSITION 12
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.12
    O2S(mV) 586
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 111
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:28 Time:31.8


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.7
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.10
    O2S(mV) 728
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 109
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:29 Time:32.9


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.7
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 700
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 10
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.14
    O2S(mV) 719
    O2S CROSSCNTS 78
    P/N SWITCH P/N
    PROM ID 102
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:30 Time:34.0


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 750
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.10
    O2S(mV) 591
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 105
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:31 Time:35.2


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.7
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 LEAN
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.08
    O2S(mV) 639
    O2S CROSSCNTS 78
    P/N SWITCH P/N
    PROM ID 102
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:32 Time:36.3


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 750
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.04
    O2S(mV) 702
    O2S CROSSCNTS 78
    P/N SWITCH P/N
    PROM ID 103
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:33 Time:37.4


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 725
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 10
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.12
    O2S(mV) 559
    O2S CROSSCNTS 75
    P/N SWITCH P/N
    PROM ID 103
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:34 Time:38.6


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.7
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 700
    EXHAUST 02 RICH
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.16
    O2S(mV) 648
    O2S CROSSCNTS 78
    P/N SWITCH P/N
    PROM ID 109
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    Frame:35 Time:39.7


    CODES PRESENT NO
    3RD GEAR SW ON
    AC REQUEST OFF
    AIR DIVRT SOL DIV
    AIR SW SOL CONV
    BATTERY(V) 13.6
    BLM 150
    CLEAR FLOOD OFF
    COOLANT(øF) 189
    ENGINE RPM 700
    EXHAUST 02 LEAN
    HIGH BATTERY NO
    IAC POSITION 11
    INTEGRATOR 125
    LOOP STATUS CLSD
    MAP(V) 1.16
    O2S(mV) 715
    O2S CROSSCNTS 77
    P/N SWITCH P/N
    PROM ID 98
    TCC LOCKUP NO
    TCC SOLENOID OFF
    TPS SENSOR(V) 0.43
    VEHSPEED(MPH) 0
    FRAME: 36
    Last edited by 1great40; 06-23-2014 at 01:49 AM.

  14. #14
    Fuel Injected! blue68deville's Avatar
    Join Date
    Feb 2014
    Location
    Denver
    Age
    51
    Posts
    111
    It would be worth getting an ALDL cable and downloading tunerpro. It's 100% easier to use and gives you so much more info.
    Makes the job of your tuner a lot simpler as well, you'll get a better tune faster.

    Very cool truck by the way, I've always loved 40 fords.
    Last edited by blue68deville; 06-23-2014 at 06:04 PM.
    68 Cadillac, 472 & TH400 w/7.4L TBI and EBL **sold**

    93 K1500 short step, 5.7 & NV4500 and EBL

    68 C10 LQ4/TKO swapped

  15. #15
    Super Moderator dave w's Avatar
    Join Date
    Feb 2011
    Posts
    6,268
    Quote Originally Posted by blue68deville View Post
    It would be worth getting an ALDL cable and downloading tunerpro. It's 100% easier to use and gives you so much more info.
    Makes the job of your tuner a lot simpler as well, you'll get a better tune faster.

    Very cool truck by the way, I've always loved 40 fords.
    What he said x2

    TunerPro RT is a suggested $39 donation.
    ALDL cable is usually less than $60.
    There is NOT a Scanner Tool sold that can even come close to the information available from a TunerPro RT data log!

    dave w

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