
2004 Mercury Grand Marquis LS 4.6L Misfire
misfire at idle,cyl#6. Needed plugs, boots and fuel service(done). Still misfiring. Swapped all w/cyl#5, still misfire on 6. Compression on #5 and 6 good at about 115psi. Bank #2 sensor 1 lean, can be forced rich. Sprayed cleaner at intake, no change. Engine v...
FIX posted 2/11/2010
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Message Closed w/FIX
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VIN | 2MEFM75W54 |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Always |
Message Closed w/FIX
Vehicle Data
2004 Mercury Grand Marquis LS
VIN | 2MEFM75W54 |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Always |