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2
2006Tahoe2WD
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May 24, 2015
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Yesterday at 5:38 PM
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2
2006Tahoe2WD
replied to the thread
My current fuel trims - idle, 2000rpm, 3000rpm all no load
.
I've watched the LT and ST going up a steady incline recently and both seem to behave themselves - no big moves. When running on the...
Yesterday at 5:38 PM
2
2006Tahoe2WD
replied to the thread
My current fuel trims - idle, 2000rpm, 3000rpm all no load
.
An additional thought.... You read on the internet that the STFT and LTFT are added to get the actual trim that will be applied. Yes...
Yesterday at 12:08 PM
2
2006Tahoe2WD
replied to the thread
My current fuel trims - idle, 2000rpm, 3000rpm all no load
.
I have an idea to potentially relate LTFTs to EVAP flow. I added the commanded purge value to my "dashboard" on my MX+. Haven't tried...
Yesterday at 12:03 PM
2
2006Tahoe2WD
replied to the thread
My current fuel trims - idle, 2000rpm, 3000rpm all no load
.
In upper right corner "08/05". I guess that's the mfg date. I could not pull up an OS name using MX+ and OBDLink. It might be there...
Saturday at 3:49 PM
2
2006Tahoe2WD
reacted to
B-train's post
in the thread
Trans/Transfercase fluid change
with
Like
.
You have the 4L80 / 4L85E trans I believe. It's a good setup with the 6.0L and can take quite a bit of abuse, but no need to find out...
Saturday at 9:55 AM
2
2006Tahoe2WD
reacted to
Sam Harris's post
in the thread
Trans/Transfercase fluid change
with
Like
.
Definitely change the trans fluid if it’s brown.
Saturday at 9:55 AM
2
2006Tahoe2WD
reacted to
tom3's post
in the thread
Trans/Transfercase fluid change
with
Like
.
If that trans fluid is not nice and red I'd change it. I'd want to see what's in the bottom of the pan too.
Saturday at 9:55 AM
2
2006Tahoe2WD
reacted to
Sam Harris's post
in the thread
2005 5.3 lm7 Major issues!
with
Like
.
Holy parts cannon Batman! As was stated, take this one at a time. And when replacing parts, I highly recommend OEM in nearly 100% of...
Saturday at 9:52 AM
2
2006Tahoe2WD
replied to the thread
My current fuel trims - idle, 2000rpm, 3000rpm all no load
.
Thanks very much for this. I think you must be correct that different models (e.g. flex vs non flex) have different PIDs that show up...
Saturday at 9:44 AM
2
2006Tahoe2WD
replied to the thread
My current fuel trims - idle, 2000rpm, 3000rpm all no load
.
I'm very interested if you are seeing or are able to pull up the PID for ethanol percentage. I would guess since you are flex fuel that...
Friday at 11:18 AM
2
2006Tahoe2WD
replied to the thread
My current fuel trims - idle, 2000rpm, 3000rpm all no load
.
After more digging the PID hex is 52 (dec 82) for Ethanol Fuel %. Still not sure if that can be pulled via the OBD port on my car. I...
Apr 18, 2024
2
2006Tahoe2WD
replied to the thread
My current fuel trims - idle, 2000rpm, 3000rpm all no load
.
This adds to the thinking that the base map doesn't not assume there is any ethanol in the gas. Therefore, when 10% ethanol is...
Apr 18, 2024
2
2006Tahoe2WD
replied to the thread
My current fuel trims - idle, 2000rpm, 3000rpm all no load
.
All the J1850 VPW PID lists I could find don't contain ethanol percentage. I'm claiming no scanner can read it. It might be there but...
Apr 18, 2024
2
2006Tahoe2WD
replied to the thread
My current fuel trims - idle, 2000rpm, 3000rpm all no load
.
Confirmed my 2006 Tahoe has the J1850 VPW protocol. Pins 2, 4, 5, 16 are connected. What PID limits this means - I don't know. More...
Apr 18, 2024
2
2006Tahoe2WD
replied to the thread
My current fuel trims - idle, 2000rpm, 3000rpm all no load
.
Wiki has this.... so a question might be can you even read the ethanol percent using J1850. What model year GM Tahoe/Silverado/etc...
Apr 18, 2024
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