
2003 Volkswagen Passat GLS 1.8L Poor Idle Quality, MIL Lamp on
repaired several vacuum leaks, replaced 3 coils and all spark plugs, customer always runs 87 octane when premium is called for we alwayws fill with premium and it ran well. now the rough idle will not go away in closed loop. runs well down the road with plenty...
FIX posted 4/22/2010
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Message Closed w/FIX
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VIN | WVWVD63B83 |
Engine | 1.8 L / 4 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection / sefi |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, MIL Lamp On |
Occurs | Hot, Idle |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0301 | Cylinder 1 Misfire Detected |
P0302 | Cylinder 2 Misfire Detected |
P0303 | Cylinder 3 Misfire Detected |
P0304 | Cylinder 4 Misfire Detected |
Message Closed w/FIX
Vehicle Data
2003 Volkswagen Passat GLS
VIN | WVWVD63B83 |
Engine | 1.8 L / 4 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | Fuel Injection / sefi |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, MIL Lamp On |
Occurs | Hot, Idle |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0301 | Cylinder 1 Misfire Detected |
P0302 | Cylinder 2 Misfire Detected |
P0303 | Cylinder 3 Misfire Detected |
P0304 | Cylinder 4 Misfire Detected |