P1423 Diagnostic Trouble Code Discussion for December 2011
Fuel Tank Large Leak
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| Help Request | Posted | |
| 2002 Volkswagen Passat GLS 4 Motion 2.8L Misfire, MIL Lamp on VIN: WVWSH63B52 P1423: Secondary air injection Bank 1 incorrect flow. Hello, having an issue with this Passat. Runs smooth at idle, only misfire under wide open throttle. It has a known good coil, I also removed the upstream o2 sensor and road tested to check for a blocked cat, it made no change. Wires are new and tested. plugs ... |
December 16, 2011 | |
| 2002 Volkswagen Passat GLS 4 Motion 2.8L Misfire, MIL Lamp on VIN: WVWSH63B52 P1423: Secondary air injection Bank 1 incorrect flow. Hello, having an issue with this Passat. Runs smooth at idle, only misfire under wide open throttle. It has a known good coil, I also removed the upstream o2 sensor and road tested to check for a blocked cat, it made no change. Wires are new and tested. plugs ... |
December 21, 2011 |
