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International Automotive Technicians Network
2003 Volkswagen Passat GLS 1.8L Poor Idle Quality
Posted to European Driveability on 5/20/2010 2 Replies

Looks like a week for Euro schooling! Vehicle has a "choppey" idle & a reaccurring p1479 p300. I replaced the ect (po118), plugs (needed) & tried a maf sensor (factory vw). Still a bad idle that smooths out at above 1500 rpm going down the road. I have skimmed...

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  Related Documents & Media  2003 Volkswagen Passat GLS

 
Message Closed w/FIX

car Vehicle Data

2003 Volkswagen Passat GLS

VIN WVWPD63B63
Engine1.8 L / 4 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIdle

Trouble Codes

P0118Engine Coolant Temperature Sensor Circuit High Voltage
P0300Multiple Misfire Detected
P1479Transmission Relay Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

2003 Volkswagen Passat GLS

VIN WVWPD63B63
Engine1.8 L / 4 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIdle

Trouble Codes

P0118Engine Coolant Temperature Sensor Circuit High Voltage
P0300Multiple Misfire Detected
P1479Transmission Relay Circuit Malfunction