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Idle quality keeps changing!?
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bottles0
Novice
Jul 21, 2008, 5:40 AM
Post #1 of 2
(2017 views)
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Idle quality keeps changing!?
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I have a 2003 Ford Focus ZX5. Since about 30k, it has had a idle that keeps changing. You can tell that the computer is changing the timing?, because sometimes when it's really rough, it smooths out a little after about a minute. I have had changed: timing belt, fuel pump, all 4 injectors, temp sensor, AIC, intake gaskets, plugs, wires, coil, EGR valve and controller, MAF, oxygen sensors, had CPS checked, no cracks, air conditioner recharged, shocks and struts. When MAF changed, problem went away for one day, then returned. No discernable vacuum leaks. Any ideas, please? The gas useage is killing me.
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Indytech
User
Jul 22, 2008, 5:55 PM
Post #2 of 2
(2005 views)
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Re: Idle quality keeps changing!?
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Is your check engine light on ?if yes check for codes then let us know.
,
http://www.flatratetech.com
staff tech
Indy Shop owner
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