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Ford Contour While only built on a short time span, the Contour was very popular with people of all driving styles, from the base model making for a great family car, to the SVT making a great track toy.

Rough Idle

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  #41  
Old 09-16-2012, 12:59 PM
thexlo8ers's Avatar
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Originally Posted by 97Contour
ok,I see where it is,is it easier to get it from the bottom? Can I just clean it?
Also, typical symptoms ive dealt with iac on previous cars where always high idle from sticking so how would it cause a rough idle? Is there a way to raise teh idle on these car? Sure theres no idle screw but some other way?
A stuck open IAC will cause a high idle. A clogged IAC system can cause a rough idle since the amount of air needed is blocked for smooth operation, or the valve does not seat properly.

Some Fords do have a factory set idle stop screw located on the throttle body or accelerator cable assembly. However, tampering with such a screw may cause false TPS signals to the PCM.
 
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  #42  
Old 09-16-2012, 03:16 PM
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ok,ill just try to clean the iac first than. It does get worse after the car warms up also
 
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  #43  
Old 09-17-2012, 08:20 AM
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maybe a lifter is sticking or an injector is ganging up !
 
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  #44  
Old 09-17-2012, 07:08 PM
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bandit1948
i ran some seafoam through the gas,didnt help. Also if it was a lifter it would be doing it at idle in gear also wouldnt it?
 
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  #45  
Old 09-19-2012, 08:26 PM
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cleanedthe iac(bestthat i could),still didnt fix, maybe it needs a new one?
 
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