× 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
1989 Ford F-150 Custom 4.9L Poor Idle Quality, Surge, Cuts out, Stall, Misfire
Posted to Ford Driveability on 8/3/1998

Hello all:

Could use some input from you Ford People. PU came in with start/stall, poor idle, and surge. Cleaned throttle body, and replaced IAC (Slugged) w/OEM. Replaced plugs (OEM), sweep tested w/Simutech-EVP slightly out of spec. Pip, Spout, and injector ...

  Related Documents & Media  1989 Ford F-150 Custom

 
Message Closed

car Vehicle Data

1989 Ford F-150 Custom

VIN 1FTEF15Y3K
Engine4.9 L / 6 cyl / GAS
Trans4-speed Standard
DeliveryFI / SEFI,Non Seq.
EmissionsUS Fed.
SymptomsPoor Idle Quality, Surge, Cuts Out, Stall, Misfire
OccursCold, Hot, Under Load, Idle
Misc.2WD,Dual Fuel Tanks

Trouble Codes

12Cannot Raise Idle
75Brake On/Off Switch Always Closed
Message Closed

car Vehicle Data

1989 Ford F-150 Custom

VIN 1FTEF15Y3K
Engine4.9 L / 6 cyl / GAS
Trans4-speed Standard
DeliveryFI / SEFI,Non Seq.
EmissionsUS Fed.
SymptomsPoor Idle Quality, Surge, Cuts Out, Stall, Misfire
OccursCold, Hot, Under Load, Idle
Misc.2WD,Dual Fuel Tanks

Trouble Codes

12Cannot Raise Idle
75Brake On/Off Switch Always Closed