P2099 Diagnostic Trouble Code Discussion for April 2017
Downstream Fuel System Rich - HO2S-22 (Bank 2 Sensor 2)
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| Help Request | Posted | |
| 2011 Chevrolet Traverse LT 3.6L MIL Lamp on VIN: 1GNKRJED9B P2099: Post Catalyst Fuel Trim System High Limit Bank 2. Have a 2011 Traverse here giving me headaches. I'm leaning toward an injector problem, but got in consistent results. Steps taken: Low side fuel press. 65psi Checked for exhaust leaks per TSB Smoke checked Intake sys. Fuel trims look good Fuel looks OK, but ca... |
April 26, 2017 |
