Is this the correct IAC adjustment location?

$OD DFCO
16197427


I have DFCO enabled and it comes on and goes off at the speeds set up in Tuener Pro.

How do you set DFCO to have less braking effect?

I would like the braking effect...

I have figured out how to get the basic log recorded,
I have this loaded in Tunerpro: Advanced $0D.xdf and the BJYN for the 1995 GMC van


Should I follow the instructions in the following link...

In the Tuner Pro dash it reads 97.8 Barometric.
Is this a concern?

I just replaced the base gasket prior to the test, the rebuild kit came with two base gaskets. I can swap them out to see if it make a difference.
I will most likely do compression test and change...

"http://www.gmtuners.com/tech/MAF_MAP_IAT.htm
"When the engine is started, the ECM uses the MAP sensor readings to determine engine load. This is the primary sensor it uses to determine fuel and...

There is some good info about map sensors here.
http://www.aa1car.com/library/map_sensors.htm
7925

The barometric pressure is 97.8
Is this normal?

I disconnected the +cable and let it sit an hour or so, reconnected everything and went for a short drive.
The codes do not show in the list view now.

I have concerns for the O2 sensor now, it...

My old vacuum gauge show about 15 steady at idle it will drop with increased throttle then return to 15.
While driving under light load it will drop and hold steady at -+ 10. Heaver throttle and on...

The history of the van is unknown.
The van is a conversion from a vender and sold new. There was a non functional alarm system tied into the starting system and maybe more.

I replaced the egr...

Advanced $0D.xdf
From the tunerpro download page

Will you look at my log and give some thoughts.
I will be in sw. Missouri in a couple of weeks.

Yes the list view is were I found the codes.

I do not have an emulator I was going to use the
burn2 and the adapter after I figure out how to get the other issues repaired.

The GMC van has...

This is how I got started.
http://ls1tech.com/forums/lt1-lt4-modifications/1298009-tunerpro-rt-v5-tutorial.html

I know of the two grounds on the thermostat housing, I cleaned them and added electric grease.
I have located 3 ground wires on the rear of the block attached to the transmission bolt there is some...

This van is a 1995 GMC that has over 150,000 miles on the odometer.
my ecm
http://www.gearhead-efi.com/Fuel-Injection/attachment.php?attachmentid=6924&d=1397250470

Will you please tell me how...

https://www.moates.net/product_thumb.php?img=images/GP1_0.jpg&w=150&h=102 https://www.moates.net/product_thumb.php?img=images/g1.jpg&w=150&h=72

Which one should I get?
Can the ZIF simply be...

Thanks, I got these two files downloaded now.

Am I ready to data log now after I get a ALDL cable.

My MPG is terrible.
I can not use overdrive on flat roads and the lock up T/Converter seems...

I downloaded TunerproRT, where can I find $0D XDF and $0D ADS?

TP RT appears to have a very high leaning curve.


I have been reading this. ...

6924

What will I need to work with this?


I have learned how to check the CTS, Thanks for this posting.
...

Thanks for the welcome!
I have another question about this !995 Vandura.

The ABS and and airbag lights are both illuminated.
Will this have any affect on the engine management system?

Hello

I have a 95 GMC Van with 5.7 and an automatic transmission it has a 3.42 gear ratio, the van gets about ten mpg.

My goal is to get better mpg, I would like to see 19 mpg.
I would also...