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1985 Mercury Marquis 3.8L Stumble
Posted to Ford Driveability on 1/19/2017 11 Replies

checked map,tps,coolant sensor,volume and fuel pressure,cup and rotor,performed koer test code 43 came up,this is an old car with 55 000 miles in pretty good shape, need help and [...] you .

11 Replies Received (View Replies)

  Related Documents & Media  1985 Mercury Marquis

 
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car Vehicle Data

1985 Mercury Marquis

VIN 1MEBP8936F
Engine3.8 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFuel Injection / throttle body 2 injectors
Emissionsus fed
SymptomsStumble
OccursUnder Load

Trouble Codes

4302 sensor lean condition at wot koer
Message Closed

car Vehicle Data

1985 Mercury Marquis

VIN 1MEBP8936F
Engine3.8 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFuel Injection / throttle body 2 injectors
Emissionsus fed
SymptomsStumble
OccursUnder Load

Trouble Codes

4302 sensor lean condition at wot koer