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Very nice! -
Denalibro76 replied to the thread Dropped..305/35
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I did the Belltech 2/4 drop a couple weeks ago and put the 24’s on for the summer and I have to say it looks great and rides the same...
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There may also be an updated calibration for the PCM that corrects the incorrect calculation of alcohol %.
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If it gets out of whack again , it's time for new upstream oxygen sensors. Get the GM ones.. The aftermarket on our gen iv engines are...
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Denalibro76 replied to the thread Cold start rough idle..Just an update, I used a good Mac Tools scanner and my Alcohol % was sitting at 30%!! Reset it and all is good now. Started up just fine...
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Denalibro76 replied to the thread Cold start rough idle..I’m running 91. It’s an 09’ Yukon Denali. How do you do a reset/relearn? Apologies if this is a dumb question…
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Denalibro76 replied to the thread Cold start rough idle..Premium (91)
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Afternoon all. My L9H has a cold start issue. I’ll start it up, it fires then it seems like it stalls for a half second then fires up...
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