P1128 Diagnostic Trouble Code Discussion for February 2004
Closed Loop Fueling Not Achieved - Bank 1
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| Help Request | Posted | |
| 2000 Porsche Boxster Roadster 2.7L MIL Lamp on VIN: WPOCA2986Y P1128: Oxygen sensor adaptation. Hi Everybody! Car came in with MIL on, no divability problems. Two of the codes makes me think it's a MAF problem, I just wanna know if these Porsches have the same problem with MAF like other German made cars (VW, MB). Vantage test is OK on MAF but I've read ... |
February 05, 2004 | |
| 2000 Volkswagen Passat GLS 1.8L MIL Lamp on VIN: WVWM723B7Y P1128: mfr controlled emission. This car keeps setting a lean code. I have checked for vacuum leaks, maf contamination, misfires, and did the throttle learn procedure. Current long term fuel trim is 16.4% and short trim will go as high as 21.5% under hard accel. i don't work on very many VW'... |
February 24, 2004 |
