P0170 Diagnostic Trouble Code Discussion for May 2012
Fuel Trim Lean Or Rich (Bank 1)
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| Help Request | Posted | |
| 2001 Volkswagen Beetle GLX 1.8L MIL Lamp on VIN: 3VWDD21C31 P0170: Fuel trim bank 1. We have performed aging tests of oxygen sensors, B1S1 fails, B1S2 passes. The Lambda reading at 1.2-1.4v at idle is our question. What should Lambda reading be at idle? Like I said, we have read the posts & can see that there are several items that may cau... |
May 01, 2012 |
