P1111 Diagnostic Trouble Code Discussion for March 2013
IAT Sensor Circuit Intermittent High Voltage
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| Help Request | Posted | |
| 2003 Volkswagen Passat GLS 1.8L Excessive Emissions, Poor Fuel Economy, MIL Lamp on VIN: WVWPD63B83 P1111: . we smoked checked the intake system. the new vent valve diaphram was blown again. we replaced the diaphram again and it blew again. i found a collapsed vac hose to evap system. Does anyone know what would cause the vacuum vent valve to keep going bad? are the ... |
March 29, 2013 |
