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2003 Ford F-150 XL 4.2L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, Hard Start
Posted to Ford Driveability on 3/15/2013 10 Replies

Vehicle came in yesterday with misfires, rough idle and acceleration. Codes pulled were P0171, P0175, P0316, P0302, P0303, and P0305. Replaced plugs for those cylinders due to heavy oil fouling. Improvement, but still misfiring. Came back today running worse a...

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  Related Documents & Media  2003 Ford F-150 XL

 
Message Closed w/Summary

car Vehicle Data

2003 Ford F-150 XL

VIN 1FTRF07263
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, Hard Start
OccursAlways, Cold, Hot, Idle, After a Hot Soak

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0175Fuel System Too Lean (Bank 2)
P0303Cylinder 3 Misfire Detected
P0306Cylinder 6 Misfire Detected
P0316Misfire Detected On Startup (Within the 1st 1000 Revolutions)
Message Closed w/Summary

car Vehicle Data

2003 Ford F-150 XL

VIN 1FTRF07263
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, Hard Start
OccursAlways, Cold, Hot, Idle, After a Hot Soak

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0175Fuel System Too Lean (Bank 2)
P0303Cylinder 3 Misfire Detected
P0306Cylinder 6 Misfire Detected
P0316Misfire Detected On Startup (Within the 1st 1000 Revolutions)