P1129 Diagnostic Trouble Code Discussion for June 2016
Closed Loop Fueling Not Achieved (Bank 2)
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| Help Request | Posted | |
| 2011 Audi Q7 Premium 3.0L Excessive Emissions, Surge, Hard Starting Hot VIN: WA1CGAFE6B P1129: Bank 2 multiplicative mixture adaption system too rich. Car came in with hard starting and running rich. First thing we plugged off the evaporative emissions purge valve with not change also replaced just in case but no change. Check manometer and found what we though was excessive crankcase vacuum. 120 millibar wh... |
June 28, 2016 |
