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2004 Ford Mustang 3.8L Poor Idle Quality, Misfire
Posted to Ford Driveability on 6/25/2011 21 Replies

04 mustang 3.8 came in idle was ruff & misfiring. customer had spark plugs, wires & even alternator changed at a different shop then came to our shop after they could find problem. We found low spark on cylinder 1 & cylinder 5 replaced ignition coil, same prob...

21 Replies Received (View Replies)

  Related Documents & Media  2004 Ford Mustang

 
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car Vehicle Data

2004 Ford Mustang

VIN 1FAFP40474
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursAlways

Trouble Codes

P0301Cylinder 1 Misfire Detected
P0305Cylinder 5 Misfire Detected
P0316Misfire Detected On Startup (Within the 1st 1000 Revolutions)
Message Closed

car Vehicle Data

2004 Ford Mustang

VIN 1FAFP40474
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursAlways

Trouble Codes

P0301Cylinder 1 Misfire Detected
P0305Cylinder 5 Misfire Detected
P0316Misfire Detected On Startup (Within the 1st 1000 Revolutions)