
1999 Ford F-150 XLT 4.2L Misfire
This truck came in with cylinder 1,2,and 3 miss fire we replaced spark plugs wires and a coil,steel runs rough only when it warms up,checked compression it reads 150 lbs on each cylinder,backed off of the rockers and performed a leak down test,it passed on eac...
FIX posted 11/30/2010
![]()
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)20 Replies Received(Hide Replies)20 Replies Received
|
Message Closed w/FIX
|
VIN | 1FTZX1721X |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / , |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Cold |
Misc. | . |
Trouble Codes
P0301 | Cylinder 1 Misfire Detected |
P0302 | Cylinder 2 Misfire Detected |
P0303 | Cylinder 3 Misfire Detected |
Message Closed w/FIX
Vehicle Data
1999 Ford F-150 XLT
VIN | 1FTZX1721X |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / , |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Cold |
Misc. | . |
Trouble Codes
P0301 | Cylinder 1 Misfire Detected |
P0302 | Cylinder 2 Misfire Detected |
P0303 | Cylinder 3 Misfire Detected |