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2003 Mercury Grand Marquis LS 4.6L Poor Idle Quality, Misfire, MIL Lamp on
Posted to Ford Driveability on 9/6/2006 8 Replies

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...

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  Related Documents & Media  2003 Mercury Grand Marquis LS

 
Message Closed w/Summary

car Vehicle Data

2003 Mercury Grand Marquis LS

VIN 2MEFM75W03
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways, Idle

Trouble Codes

P0175Fuel System Too Lean (Bank 2)
P0306Cylinder 6 Misfire Detected
Message Closed w/Summary

car Vehicle Data

2003 Mercury Grand Marquis LS

VIN 2MEFM75W03
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways, Idle

Trouble Codes

P0175Fuel System Too Lean (Bank 2)
P0306Cylinder 6 Misfire Detected