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93 302 high idle

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Old Sep 27, 2008 | 11:57 AM
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93 302 high idle

i have a 93 f-150 with the 302 it will not idle down and its hard to start after it gets hot. where do i need to start looking ?? it has no codes
 
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Old Sep 28, 2008 | 09:40 AM
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no codes huh? Might want to do a sweep under the hood for a leaking vacuum line. Those plastic lines they used are notorious for breaking or developing small leaks.

Reason I say that is I was looking for a leak in my defroster lines (the ones that run the switch) and I accidently pulled the wrong line and the engine sped up then sputtered and almost stalled.

Cant hurt to look.

Greg
 
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Old Sep 28, 2008 | 10:20 AM
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I'm having the same problem with mine, it could be that your temperature sensor is not working properly
 
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Old Sep 28, 2008 | 10:57 AM
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Originally Posted by 4x4k20
i have a 93 f-150 with the 302 it will not idle down and its hard to start after it gets hot. where do i need to start looking ?? it has no codes
Did you run the KOER test then?
If not run it and see what you get.
 
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Old Sep 28, 2008 | 02:04 PM
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Originally Posted by subford
Did you run the KOER test then?
If not run it and see what you get.
yes i ran it both ways and all i got was 11 but i kept fooling with it and somehow it came up with codes 21 and 61 both pertain to the ect sensor. i will get one tomorrow and try it thanks
 
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Old Sep 30, 2008 | 07:33 PM
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i replaced the ect all is fine for now thanks for the help everyone
 
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