Thread: P0016 datalog assistence
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Old 06-16-2017, 07:00 PM   #5
steve99
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Join Date: Dec 2013
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Your long term fuel trim is over -20% at low rpm, looks like you have a fueling problem

Caused by
Aftermarket intake
Bad maf scaling
Dirty or faulty maf
Intake or exhaust leaks
Faulty fuel injectors
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