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1989 Ford Thunderbird 3.8L MIL Lamp on
Posted to Ford Driveability on 5/17/2000

Hello Everybody,

This gem came in with a blown headgasket. We replaced the headgaskets and while on test drive mil light came on. The car runs great. Checked for code and had 41, 91 both lean mixture code. Replaced both O2 sensors. Same thing. Fuel pressure, ...

  Related Documents & Media  1989 Ford Thunderbird

 
Message Closed w/FIX

car Vehicle Data

1989 Ford Thunderbird

VIN 1FAPP6047K
Engine3.8 L / 6 cyl
EmissionsOBDI
SymptomsMIL Lamp On
OccursCruise

Trouble Codes

41system Lean
91O2 lean
Message Closed w/FIX

car Vehicle Data

1989 Ford Thunderbird

VIN 1FAPP6047K
Engine3.8 L / 6 cyl
EmissionsOBDI
SymptomsMIL Lamp On
OccursCruise

Trouble Codes

41system Lean
91O2 lean