Quote:
Originally Posted by 88Racing
No, you may confuse the pcm and it may make the truck run richer. Thinking it is in a warm up mode all the time until it reaches the switch over to run temp.
Lars
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That was a concern I had, the old GM-OBD systems had a set temp before going into normal operating mode, if I recall correctly, it may have been around 165 degrees. I have been monitoring mileage, and so far it seems like it's consistent, though I'm sure temps doesn't have to be significant for the PCM to enrich the a/f mix. My only real concern is going too rich for the cats, since no one wants to have to replace a set of cats.
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Current mods: AEM Bruteforce CAI, Magnaflow SI/DO, Gryphon-87 & 93 tunes, Harley head lamps, tinted windows, lower grille filler, and FX2 lower valance.
Wed, May 27th, 2009, 10:23 AM
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