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8 Posts
95 Z28 LT1: bored +.030, CC 503, Stock heads, 30# injectors, 58mm TB, LTs, 3500 stall, Monster 4L60EHD, 3.73 gears.
I have had the car dyno tuned by 2 different shops, 2nd shop tuned x2. The last time I had it tuned, the tuner asked what I had changed cause the car was running very rich. Told him all that had changed since last tune was LTs, Stall & trans. None of which should cause rich condition, he didn't believe me. (like lying was going to get me anywhere?) Was having retuned for shift points.
1st issue: After every tune car runs good but it gradually richens to the point where the exhaust smells very rich. This happens slowly over about a month or 2. I have tried disconnecting the battery for 2 days to reset the computer but nothing changed. Changed MAF, no change.
Any Ideas on what could be causing this? I need to have it retuned because the shift points are still not correct but before I take it to a new tuner, I would like to get the rich issue corrected if it's outside of the tuning.
Thanks for any help!!!!
I have had the car dyno tuned by 2 different shops, 2nd shop tuned x2. The last time I had it tuned, the tuner asked what I had changed cause the car was running very rich. Told him all that had changed since last tune was LTs, Stall & trans. None of which should cause rich condition, he didn't believe me. (like lying was going to get me anywhere?) Was having retuned for shift points.
1st issue: After every tune car runs good but it gradually richens to the point where the exhaust smells very rich. This happens slowly over about a month or 2. I have tried disconnecting the battery for 2 days to reset the computer but nothing changed. Changed MAF, no change.
Any Ideas on what could be causing this? I need to have it retuned because the shift points are still not correct but before I take it to a new tuner, I would like to get the rich issue corrected if it's outside of the tuning.
Thanks for any help!!!!