Hello,
It's a cadillac ATS 2016 w/ ZZPerformance stage 1 setup. After 3 months of no issues, appears to be running lean. Has anyone cleaned the MAF sensor? Could this fix the problem. Also, what should I look for when scanning the car? Will the fuel trims be off from previous logs? Thanks.
Just look for intake leaks or exhaust leaks before the o2 sensors.
Fuel trims will be very positive if there is a problem. Most lean codes will show +15-16% on a long term fuel trims because it's lean.
2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.
If you don't post your tune and logs when you have questions you aren't helping yourself.
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