idle problem

Mopaditis

Registered User
when i start it she runs fine for a few then jumps up to 3000 or more i replaced the maf airbypass and tps but still does it :confused: :confused: :confused: :confused: :confused:
 
You mean you replaced the Throttle Body idle bypass valve (IAB or IAC) and the TPS. Were they Ford or Sorrenson valves ?, if not I believe other aftermarket units won't function properly on our cars. Also did you check the TPS voltage (there is a good article on the TCCOA site regarding this). Sometimes you have to enlarge (elongate) the bolt holes on the TPS in order to rotate it to the correct position. The only other thing I can think of is if the tach. needle also swings up & down it may be that your CAM sensor is going bad.
 
yeah its the IAC valve mines used to do it. you need a oem from FORD. i have a good used one if interested.
 
darkstar_one said:
yeah its the IAC valve mines used to do it. you need a oem from FORD. i have a good used one if interested.
the thing is i bougth all my parts from fords. :confused: :confused: :confused:
 
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