2003 Ford F-150 Lariat 4.6L Poor Idle Quality, Misfire, Lean/rich
Prior repair could be important to fix. We did have cams locked down before replacing timing chains. Engine vacuum is good. Fuel pressure is good. Motorvac performed after codes set. LTFT B1 was about 22-25, B2 was about -20. Numbers on left side {B2} improved...
FIX posted 7/14/2006
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 9 Replies Received (View Replies)9 Replies Received (Hide Replies)Related Documents & MediaRelated Documents & Media |
Message Closed w/FIX
Vehicle Data2003 Ford F-150 Lariat
Trouble Codes
|
Message Closed w/FIX
Vehicle Data
2003 Ford F-150 Lariat
VIN | 2FTRX18WX3 |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, Lean/Rich |
Occurs | Idle |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0175 | Fuel System Too Lean (Bank 2) |
P0306 | Cylinder 6 Misfire Detected |