This is topic smog question? in forum Tech Talk at Northern California Ford Owners  .


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Posted by 96232 (Member # 9375) on 2010-03-07 06:28 PM :
 
What does the idle rpm in park have to be to pass? My 89 5.0 gt idles smoothly around 1000 - 1100 rpm in park, but drops down to about 750 in drive and the chiltons I have says idle rpm should be 650-850 in park but gives no idle speed in park specification. Just curious.

Thanks
 

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Posted by Mach916 (Member # 8264) on 2010-03-07 07:58 PM :
 
1200 or less.having that high will help with emissions
 

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