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1992 Mercury Grand Marquis 4.6L Misfire, check engine light
Posted to Ford Driveability on 3/30/1999

Problem of Code 41. Right side O2 sensor will not go completly lean on data stream. The lowest it will go to and stays at is 580 to 617 millivolt when grounded. (using a snap on sanner) When forced rich it goes up just fine. I have replace the 02 senor and...

 
Message Closed

car Vehicle Data

1992 Mercury Grand Marquis

VIN ZMECM75W7N
Engine4.6 L / 8 cyl
SymptomsMisfire, Check Engine Light
OccursAlways

Trouble Codes

4102 sensor
Message Closed

car Vehicle Data

1992 Mercury Grand Marquis

VIN ZMECM75W7N
Engine4.6 L / 8 cyl
SymptomsMisfire, Check Engine Light
OccursAlways

Trouble Codes

4102 sensor