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1998 Mercury Grand Marquis LS 4.6L Excessive Emissions, Poor Idle Quality, Surge
Posted to Ford Driveability on 5/4/2006 4 Replies

i checked for long trim and short trim on scanner , pulse on bank1 is 1.6 ms, in bank2 .07 ms. when the falts ocurred, when is normal boths are the same .07 ms, spark plugs in bank 1 ar fouled of gas ( black). i change injectors of bank1 to bank2 and is same. ...

4 Replies Received (View Replies)

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car Vehicle Data

1998 Mercury Grand Marquis LS

VIN 2MEFM75W7W
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Surge
OccursIntermittently
Message Closed

car Vehicle Data

1998 Mercury Grand Marquis LS

VIN 2MEFM75W7W
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Surge
OccursIntermittently