P2179 Diagnostic Trouble Code Discussion for November 2012
Fuel Trim System Lean At Cruise Or Acceleration (Bank 2)
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| Help Request | Posted | |
| 2009 Chevrolet Traverse LS 3.6L MIL Lamp on VIN: 1GNER13D59 P2179: Fuel trim lean bank 2 on cruise or accel. Engine runs strong on acceleration, O2s go rich on VE run and truck pulls hard, VE results 93.668%, but this a variable cam engine so not sure if it's a good number. Scanner data indicated 100% on VE run. Code sets according to GM when ECM detects the MAF sens... |
November 15, 2012 |
