Technical question. Fuel Trim Cells 2001 C5
Thread Starter
Burning Brakes
Joined: Oct 2001
Posts: 1,191
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From: Palm Beach Shores, FL
Technical question. Fuel Trim Cells 2001 C5
I need to get a service manual for my 2001 C5. In the meantime, is there anyone out there that can look up the Fuel Trim Cells for 2001. Normally it has been cells 1-19 for accelleration, 20 for idle, 21 for decelleration, and 22 for WOT. I think that GM may have made a change for 2001. I have been logging Ease Scans and using a MAF Translator to adjust LTFT's. It seems that at idle, Fuel Trim Cell 19 is the cell that's registering. If this is the case, my LTFT's are off, because I have been including Fuel Trim Cell 19 in my averages. If someone could confirm the FTC's for 2001, it will be greatly appreciated. Thanks, Eric
Racer
Joined: May 2000
Posts: 405
Likes: 1
From: Dallas
Re: Technical question. Fuel Trim Cells 2001 C5 (oceanaire)
18 = Idle - AC On
19 = Idle - AC Off
20 = Idle Warm-up
1-17 are not all acceleration as the lower cells are also used for cruise conditions. For your averaging purposes, you may want to include idle (18, 19) as well.
