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1990 Ford Bronco Custom 5.8L Excessive Emissions, Misfire
Posted to Ford Driveability on 11/24/2000

The rig was towed into our shop with engine blown up it did not run. So we proceded to put a new motor in it. after we got it running it started fine then after a few minutes the check engine light came on . code 41 o2 not switching. It would not respond to pr...

  Related Documents & Media  1990 Ford Bronco Custom

 
Message Closed w/FIX

car Vehicle Data

1990 Ford Bronco Custom

VIN 1FMEUISHXL
Engine5.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsExcessive Emissions, Misfire
OccursAlways, Hot, Idle
Misc.New Engine Installed

Trouble Codes

41ego not switching rich to lean
Message Closed w/FIX

car Vehicle Data

1990 Ford Bronco Custom

VIN 1FMEUISHXL
Engine5.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsExcessive Emissions, Misfire
OccursAlways, Hot, Idle
Misc.New Engine Installed

Trouble Codes

41ego not switching rich to lean