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2003 Ford Explorer XLT 4.6L Poor Idle Quality, Misfire, MIL Lamp on
Posted to Ford Driveability on 8/29/2015 18 Replies

Now a month later it comes back with P0304 and again contribution on 8 is nearly as bad as 4. It is only after initial flare up when the idle is around 800rpm. Off throttle at 1000rpm it is smooth as silk, showing no misfires. I again swapped coils with new an...

18 Replies Received (View Replies)

  Related Documents & Media  2003 Ford Explorer XLT

 
Message Closed w/FIX

car Vehicle Data

2003 Ford Explorer XLT

VIN 1FMZU73W43
Engine4.6 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / MPFU
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIdle

Trouble Codes

P0304Cylinder 4 Misfire Detected
P0316Misfire Detected On Startup (Within the 1st 1000 Revolutions)
Message Closed w/FIX

car Vehicle Data

2003 Ford Explorer XLT

VIN 1FMZU73W43
Engine4.6 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / MPFU
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIdle

Trouble Codes

P0304Cylinder 4 Misfire Detected
P0316Misfire Detected On Startup (Within the 1st 1000 Revolutions)