P0174 Diagnostic Trouble Code Discussion for December 2016
Fuel System Lean (Bank 2)
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| Help Request | Posted | |
| 2013 Chevrolet Traverse LT 3.6L Stall, MIL Lamp on VIN: 1GNKRGKD7D P0174: Lean exhaust bank 2. ... with p0171 p0174 stored the van has new intake gaskets and new maf parts are from gm dealer and the problem still occurs. we can not find any vacuum leaks the readings dont make sense stft will be -25% ltft will be +40% or sometimes both will be around +25... |
December 15, 2016 | |
| 2006 Cadillac STS 4.6L MIL Lamp on VIN: 1G6DC67A56 P0174: Fuel Trim System Lean (Bank 2). map checked 1.9v on idle 4v under 3000rpm, fuel trims a maxed out to 30% wil go down to 20 under 3000rpm and the only time when trims will set to 0 ballance is under snap throtle. Car doesn't show any symptoms of a lean condition. Codes present and everything ... |
December 26, 2016 |
