
2003 Volkswagen Passat GLS 1.8L Poor Idle Quality, Misfire, MIL Lamp on
Thanks for reading. This vehicle had an external leak at the check valve(gulp valve) by the rear of the valve cover, oil build up on the spark plugs and faulty MAF sensor. I replaced parts and cleaned fuel Injectors, but 16685, 16686 and 17544 codes returned. ...
FIX posted 5/15/2007
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Message Closed w/FIX
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VIN | WVWPD63B43 |
Engine | 1.8 L / 4 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Idle |
Misc. | Awm |
Trouble Codes
16684 | Random cylinder misfire |
16685 | Misfire cylinder 1 |
16686 | Misfire cylinder 2 |
17544 | Lean adaptive |
Message Closed w/FIX
Vehicle Data
2003 Volkswagen Passat GLS
VIN | WVWPD63B43 |
Engine | 1.8 L / 4 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Idle |
Misc. | Awm |
Trouble Codes
16684 | Random cylinder misfire |
16685 | Misfire cylinder 1 |
16686 | Misfire cylinder 2 |
17544 | Lean adaptive |