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1990 Ford Bronco Custom 5.8L Poor Fuel Economy
Posted to Ford Driveability on 4/11/2007 31 Replies

This thing is kicking my butt. My problem is that this bronco is running rich, and has been doing this for a long time. Here is everything that I have done. I have checked vacuum at idle and it is 18in. I have checked for vacuum leaks with a smoke machine and ...

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  Related Documents & Media  1990 Ford Bronco Custom

 
Message Closed w/FIX

car Vehicle Data

1990 Ford Bronco Custom

VIN 1FMEU15HIL
Engine5.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / EFI
EmissionsOBD1
SymptomsPoor Fuel Economy
OccursAll the Time

Trouble Codes

42HEGO sensor circuit indicates system to rich
Message Closed w/FIX

car Vehicle Data

1990 Ford Bronco Custom

VIN 1FMEU15HIL
Engine5.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / EFI
EmissionsOBD1
SymptomsPoor Fuel Economy
OccursAll the Time

Trouble Codes

42HEGO sensor circuit indicates system to rich