2003 Mercury Grand Marquis LS 4.6L Poor Idle Quality, Misfire, MIL Lamp on
Vehicle came into shop with check engine light on, code p0175 and code p0306 present, Engine has rough idle. Compression bank two 160 all cylinders. Replaced no. 6 fuel injector, coil and spark plug. Cleared codes, started engine, ran okay until engine when in...
Summary posted 9/25/2006
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Vehicle Data2003 Mercury Grand Marquis LS
Trouble Codes
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Message Closed w/Summary
Vehicle Data
2003 Mercury Grand Marquis LS
VIN | 2MEFM75W03 |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sefi |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always, Idle |
Trouble Codes
P0175 | Fuel System Too Lean (Bank 2) |
P0306 | Cylinder 6 Misfire Detected |