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Running rich and not in a good way

after tune

Re: Running rich and not in a good way

Postby badbruin44 » Jan 03 2017, 1:12am

blackbowtie24 wrote:
badbruin44 wrote:If you have done some looking into the intune it takes 150 or so miles to get dialed in after you tune it. Have you got that many miles on it yet?

I did. that is why I am posting this now :shock:


K ya you might have to get Lew to check if you were planning on getting a custom tune.
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Re: Running rich and not in a good way

Postby MIKE91B » Jan 03 2017, 1:12am

First off what are your long term fuel trims. Once the engine is warm at idle what fuel trim cell are you in. Are the upstream O2s switching or pegged and if they are pegged is it pegged over 800mv or below 200mv. This screams mass air flow transfer function issue. However without a wide band O2 this is not scientific at all and without data logs and calibration files I doubt it can't be fixed. Is it kicking any codes?
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