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International Automotive Technicians Network
1998 Ford Ranger XL 4.0L Poor Idle Quality
Posted to Ford Driveability on 9/1/2004 8 Replies

Hello Techs. I have a truck that runs great off idle. Customers complaint is rough idle especially cold. He replaced the spark plugs. The mil comes on and goes off. Set a code p0304 and a pending po306. I motorvacced it. He said it ran better but still has a p...

8 Replies Received (View Replies)

  Related Documents & Media  1998 Ford Ranger XL

 
Message Closed w/FIX

car Vehicle Data

1998 Ford Ranger XL

VIN IFTYR14X9W
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursOn Accel, Idle

Trouble Codes

P0304Cylinder 4 Misfire Detected
Message Closed w/FIX

car Vehicle Data

1998 Ford Ranger XL

VIN IFTYR14X9W
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursOn Accel, Idle

Trouble Codes

P0304Cylinder 4 Misfire Detected