× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1990 Ford Bronco Custom 5.0L Poor Idle Quality, Surge
Posted to Ford Driveability on 7/12/2007 8 Replies

well guys this one is driving me insaine. replaced all of the items listed above, started truck up broke cam in ran strong sounded good but the thing had a pretty hard time idleing. so reset timeing 10 btdc ran better took for test drive and check engine light...

8 Replies Received (View Replies)

  Related Documents & Media  1990 Ford Bronco Custom

 
Message Closed w/FIX

car Vehicle Data

1990 Ford Bronco Custom

VIN 1FMEU15N7L
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
EmissionsFED
SymptomsPoor Idle Quality, Surge
OccursAlways

Trouble Codes

12unable to control idle at low rpms
41hego not switching allways lean
Message Closed w/FIX

car Vehicle Data

1990 Ford Bronco Custom

VIN 1FMEU15N7L
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
EmissionsFED
SymptomsPoor Idle Quality, Surge
OccursAlways

Trouble Codes

12unable to control idle at low rpms
41hego not switching allways lean