Question about 2001 Ford Focus

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Rough Idel & Engine Miss

My Wife Has A 2001 Focus With The 2.0 Ztec. She wanted me too do a tune up on it so she thought it would helpful to degrease the engine at our local carwash! Needless to say it runs rough at an idel or while you are driving! I did the tune up but diden't help! I took it to a local part store to run a checkup & that came back as a missfire on #4 Cilinder! What do I do now?.

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  • mark 99 Sep 04, 2008

    changed plugs and wires still have a miss rough idle are and dies

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Where is the oxygen sensor located do anyone have pics?

Posted on Oct 05, 2008

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You may have water in the spark plug hole, or a shorted plug wire, pull #4 wire and look for water residue and a possible burn mark on the plug wire were it goes over the plug.

Posted on Aug 24, 2008

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1 Answer

How do i change a valve cover gasket on a 2001 ford focus ZX3 2.0 Ztec DOC engine


Mary, PLEASE be sure this looks like your motor even thoe its a 2.3 it still should be the same valve cover .if its not let me know an i'll look further . if this helped you please let me know.
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What is the capacitie of automatic transm.of an 2001 ford focus ztec engine


Try this website hope it helps.http://myfordfocus.com/underthehood.htm

Apr 05, 2010 | 2001 Ford Focus

1 Answer

2001 ford focus stalls andloss of power when i come to a stop


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1 Answer

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1 Answer

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With having that many miles and the light being on with a code of O2 sensor, I'd say start there. Make sure which O2 sensor it is first, pre or post convertor. It's getting close to another tune up, but check your plugs first.

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2 Answers

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