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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Warm idle problem

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Old Mar 4, 2004 | 08:02 PM
  #16  
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jswalker145
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From: Monument, Colorado
Yep, that's it. The vacuum line from it to the throttle body was pretty shredded, so I replaced it. Made the truck run better, but didn't solve the problem. Just went out in the snow and cleared the codes and rechecked them (11/11) and it still does the same thing.

I'll try to get downtown over the weekend and get a manual to see what the ECT (and other sensors) should measure and check them all. I'll keep you posted.
 
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Old Mar 8, 2004 | 10:48 PM
  #17  
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jswalker145
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From: Monument, Colorado
Resolved: Warm idle problem

The problem turned out to be a bad throttle position sensor, and all is back to normal now (almost.) Unfortunately, in the process of replacing the TPS, I split the coolant line that runs to the throttle body, so now it makes a handy lawn sprinkler.

Thanks EPNCSU2006 for all your help.
 
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