Search:

Thank you Bill for the advice and catching my mistake.

I checked my tune and sure enough even though I was running a SD operating system MY MAF WAS NOT FAILED !!!
I made adjustment to the tune...

Thank you for the input. I thought that running the SD operating system would eliminate the MAF all together. That's what assuming will do for you.
I will make changes. And report back.

Yes mechanical issues was corrected. IAC was fully open allowing lots of air in and not moving due to harness issue. It's now operating properly as best I can tell. Intake was tested with a smoke...

2004 Yukon 5.3 converted to DBC and SD. 209 / 217 camshaft. 25 lb truck injectors and fuel rail at 58 psi fuel pressure.
Throttle setscrew and TPS adjusted. 6 g/ps added to idle airflow
Freshly...

Issue Resolved

I was able to test the IAC from the Jeep on my Silverado. It tested properly 0-128 steps using the vehicle controls.
I reconnected the IAC to the Jeep harness. Ran the test and...

Thanks for sharing the info. This could be beneficial to anyone running a transmission other the factory automatics with the temps sensors. I will consider doing this on my TH350 transmission.
Did...

I did check the PCM for the IAC driver. It is there. I can also change the IAC count in the scanner using the Vehicle Controls and Functions. The engine / IAC motor responds to those changes.
I was...

2004 Yukon 5.3 with 209 / 217 camshaft. Converted to DBC and running a SD tune. Truck intake manifold. Custom 4" intake tubing and custom full length exhaust. TH350 transmission in a Jeep Wrangler
...

I have a 1999 Silverado that does the same. The oil pressure sensor on these early Gen 3 trucks goes directly to the instrument panel not through the ECM/PCM.

I am a new tuner and had similar questions about the primary and secondary tables. My scanner log matches my primary table. I copy the log error and correct (multiply %-half) my primary table in my...

There are several codes for the transmission that are disabled. The PCM may not be seeing the transmission parameters.

Look under trans and the auto ttc tab. Right side, minimum throttle release. Is this what you saw?

Well..I'm from the South and agree that it's a dumb idea.

I am very new to this tuning thing so keep that in mine with my reply. I am running a 5.3 -Th350-NP205 in a rock crawler. I used a transmission speed sensor from a 90's? Ford Mustang in the NP205...

I'm new and not sure what a 411PCM is so I could be wrong but.. If the Camaro swap is using a single speed electric or mechanical fan, what if you set the 2nd electric fan output to turn on at the...