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Type: Posts; User: yelruhde

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  1. Replies
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    Autoprom unable to program

    Hi -

    I had been using Tunerpro and an Autoprom successfully for about a year, but now it is unable to verify against the buffer when burning a chip. It still emulates just fine and will verify the...
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    I don't have proof of what this is. 0 ohms across...

    I don't have proof of what this is. 0 ohms across in both directions and the capacitance readings can be 10 nF or the same as shorting the leads.

    I don't mind doing the work to add them to the...
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    I am not using a peak and hold jumper, mostly...

    I am not using a peak and hold jumper, mostly because I can't find any consistent info on which pins to jump. Please share what you have. Also, peak and hold appears to be more of a current limiting...
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    Thanks, it went pretty easily once I was told how...

    Thanks, it went pretty easily once I was told how to trace a circuit board. Before that it was impossible.

    The tbi piece that is soldered in carried the part number IR9508. Specs on the piece are...
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    Here is one way to fix the injector driver...

    Here is one way to fix the injector driver problem. Response has improved, but running with the tbi mamcal is going to require some massive tuning. Feel free to flame the file.
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    1ms is the time it takes to turn on. The signal...

    1ms is the time it takes to turn on. The signal from the ecm will keep it on as long as necessary...hopefully. I'll do some research on FET's and see if one will fit.

    If I can get the timing belt...
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    It wasn't losing power in the loss of fuel sort...

    It wasn't losing power in the loss of fuel sort of a way. It was pumping black smoke out of the tail pipe. Somehow changing 0293 to 10 made a tremendous difference in the way it calculated the amount...
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    I don't think it is this simple. The truck has...

    I don't think it is this simple. The truck has been running without a hitch as a v6 MPFI for months now. I told it to fire every crank pulse using the Crank pulse multiplier vs Ref Pulse 1 - 24,...
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    There are not any resistors installed. There...

    There are not any resistors installed.

    There is a 40 ppr speed sensor coming out of the transfer case. The ridiculous number makes up for it.

    Most of the spark timing is lower. The numbers that...
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    The bin does not throw a code for me and...

    The bin does not throw a code for me and definitely did something. The truck had much more off idle and low end torque, and would break up around 4,500. When it is set to v6 mpfi mode it runs...
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    Yes, it is 8D. At least that is the title of the...

    Yes, it is 8D. At least that is the title of the xdf file.

    What makes the numbers crazy high?
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    Did the bin file work? I still do not have a...

    Did the bin file work?
    I still do not have a light on my truck.
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    I'm using a 95 obd 1.5 mini-memcal. Chances are...

    I'm using a 95 obd 1.5 mini-memcal. Chances are the 7427 will have the same/similar netres set up.
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    Dave - Try this bin on your bench. It's 8D...

    Dave -

    Try this bin on your bench. It's 8D with 0293 set to 10 for 4 cyl pfi. If a 4cyl pfi and dual injector tbi memcal are throwing the same voltage off of the memcal then the computer should...
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    I managed to run a tbi set up on a 7727 as a v6...

    I managed to run a tbi set up on a 7727 as a v6 mpfi using 8D and a vette tune by changing the values at both 0293 and 04F1 to 0C. It runs well enough to get driven everyday and does not throw error...
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    The speed is in the range it should be in...

    The speed is in the range it should be in tunerpro. Around 1,500 in 4th is around 35 mph.

    Adjusting the values seems to give a step change. It either hits 100 by the time the clutch is out or...
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    VSS Input/Output Limit?

    I recently dumped the 16184738 out of my truck. Most things are working OK, but the speedo is off a ridiculous amount. Letting the clutch out and idling in 1st gear puts the speedo over 100. If there...
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    That was it...sent the other one back and got the...

    That was it...sent the other one back and got the new one in less then a week. Those guys run a good business. This is one very satisfied customer.
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    As long as a chip is installed, the datastream...

    As long as a chip is installed, the datastream comes through without a problem. It will not work when I have the autoprom installed to emulate.
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    The computer is set up as a v6 mpfi not a tbi....

    The computer is set up as a v6 mpfi not a tbi. The injectors are 55lb/hr with an 18 psi spring. They should be flowing just over 64Lb/hr divided by 3 to make the mfpi happy is around 21 lb/hr.

    The...
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    Files are attached, Truck 8D is what I am...

    Files are attached, Truck 8D is what I am running. Downloaded Old Truck 8d is what came off of the Autoprom. Made too many changes to the PE and AE tables for the downloaded file to work well, so I...
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    Pictures attached. I do not have any other tuning...

    Pictures attached. I do not have any other tuning hardware or software. When I download the bin to a file it is 32 kb and opens ok.

    I can upload those files as well if they would be of any use.
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    This is exactly what it was doing. Things were...

    This is exactly what it was doing. Things were changing randmoly and I thought I was impacting what was happening. I still can not get the Autoprom to emulate to save my life, and I'm not a dumb guy....
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    I have done all of that. Over and over again....

    I have done all of that. Over and over again. The chip I burned flashed ecm codes.

    Tunerpro detects AutoProm, both switches are in, I verify the bin. No flash. No codes from the ALDL. Red stripe...
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    Ok, I set the mask to AA and nothing, So I...

    Ok, I set the mask to AA and nothing, So I decided to give up on the 8d and tried A1. Still no data and the Check engine light would not flash.

    Frustrated and ready to go buy/order a new ecm, a...
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