This is topic bad idle... in forum Tech Talk at Northern California Ford Owners  .


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Posted by castor (Member # 2765) on :
 
in the mornings when i start the car, the idle jumps from 2000rpm back to 400rpm (sometimes just dies and need to restart and shakes)
car runs fine once it's warmed up and only happens when it sits overnite.
vacuum leak?

thanks in advance!
 
Posted by st5150 (Member # 51) on :
 
It could be many factors. What conditions are your O2 sensors? The fact it only acts up when cold makes me think the O2 sensors are being slow to heat up.
 
Posted by castor (Member # 2765) on :
 
i'll check these tonite, thanks!
 
Posted by Black88GT (Member # 394) on :
 
My Idle jumps around like that all the time. What else could it be? Thanks
 
Posted by Clark M (Member # 1076) on :
 
Get a new TPS (throttle position sensor) They're only like 30 bucks. [patriot]
 
Posted by Mustangfiv0 (Member # 2231) on :
 
Whats the effects of having bad 02 sencers? When my car heats up, it dies out and will not even start, i replaced the iac already could this be bad 02 sencers? my cars idle will slowly lower to the point where it willl not idle any more when the car gets hot, it drops to like 300 rpm and cuts off and will not start for like 20 min

[ May 08, 2003, 08:40 PM: Message edited by: Mustangfiv0 ]
 




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