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2003 Ford Focus ZTS 2.0L Poor Idle Quality, Misfire
Posted to Ford Driveability on 1/8/2007 6 Replies

What I have is an engine with low vaccum and it varies like a valve is bad. My running compression is [...]. I've never experienced it that high before. This engine doesn't have VVT or variable induction. I've had a spark checker in and it easily fires 25kv. W...

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  Related Documents & Media  2003 Ford Focus ZTS

 
Message Closed w/FIX

car Vehicle Data

2003 Ford Focus ZTS

VIN 1FAFP38323
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursAlways

Trouble Codes

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

car Vehicle Data

2003 Ford Focus ZTS

VIN 1FAFP38323
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursAlways

Trouble Codes

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