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2000 Mercury Grand Marquis GS 4.6L Misfire, Poor Fuel Economy, MIL Lamp on
Posted to Ford Driveability on 6/21/2004 6 Replies

hi! vehicle came in with engine light on and engine running rough. checked codes. came up with #4 cylinder misfire. suggested tune up and replaced 8 spark plugs. did not solve misfire. checked over again and found #6 fuel injector not firing properly. replaced...

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car Vehicle Data

2000 Mercury Grand Marquis GS

VIN 2MEFM74W0Y
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMisfire, Poor Fuel Economy, MIL Lamp On
OccursAlways
Misc.4Door Sedan
Message Closed w/FIX

car Vehicle Data

2000 Mercury Grand Marquis GS

VIN 2MEFM74W0Y
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMisfire, Poor Fuel Economy, MIL Lamp On
OccursAlways
Misc.4Door Sedan