2000 Ford Focus

2000 FORD FOCUS
90,000 MILES • 4 CYL • FWD • AUTOMATIC
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MASONALAN80
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my 2000 ford focus lx runs rough at idle and while driving. I replaced the fuel filter,o2 sensor, spark plugs and spark plug wires it still runs like crap not sure what it is and i need to know fast please!

thankyou
Mar 12, 2010 at 7:15 PM
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BMRFIXIT
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Do you have a check engine light on and if so should start by checking for codes
Mar 12, 2010 at 8:53 PM
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MASONALAN80
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  • 4 POSTS
check engine light is on and i get a misfire cylinder 3 code what do you think it could be. i replaced the spark plugs, the spark plug wires, o2 sensor, and fuel filter
Mar 13, 2010 at 10:15 AM
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BMRFIXIT
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Check if coil firing the cylinder
Do a compression test
Check injector
Mar 13, 2010 at 2:03 PM
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MASONALAN80
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i checked out the coil pack and it had cracks all over it so i replaced it and now the car runs fine. thanks for all of your help
Mar 25, 2010 at 10:19 AM