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low idle speed


tirefryer

New Member
Joined
Sep 9, 2011
Messages
2
Vehicle Year
2001
Transmission
Automatic
hi i have a ranger 4.0 sohc. latley my idle speed has been 600rpm in drive and 4-500rpm in park. my iac and maf sensors are clean and i have no vaccum leaks. help would be much appreciated.
 
Last edited:
my iac and maf sensors are clean ?
 

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