
1990 Ford F-150 Custom 4.9L Poor Idle Quality, Hesitation
Truck has a rough idle and will hesitate at about 50 km on acceleration. Fuel trim is at +30. It has a lean misfire on all cylinders. I have scoped MAP,TPS,IAC and primary ign. No problem found. Have done injector clean and scoped injectors. Vacumm gauge has a...
FIX posted 2/12/2007
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)16 Replies Received(Hide Replies)16 Replies Received
|
Message Closed w/FIX
|
VIN | 2FTEF15Y2L |
Engine | 4.9 L / 6 cyl / GAS |
Trans | 3-speed Automatic |
Delivery | FI / SEFI |
Symptoms | Poor Idle Quality, Hesitation |
Occurs | Always |
Message Closed w/FIX
Vehicle Data
1990 Ford F-150 Custom
VIN | 2FTEF15Y2L |
Engine | 4.9 L / 6 cyl / GAS |
Trans | 3-speed Automatic |
Delivery | FI / SEFI |
Symptoms | Poor Idle Quality, Hesitation |
Occurs | Always |