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92 f150 302 looping idle

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Old 04-13-2016, 05:47 PM
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92 f150 302 looping idle

I've done to the best of my knowledge and I can't for the life of my figure out what is wrong with it. It only loops at stop signs or if I'm just Idleing down the road with it and drive and my foot off the gas it will shut off or almost choke it's self out I don't know what else to do
 
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Old 04-14-2016, 06:12 AM
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Old 04-14-2016, 07:56 AM
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Originally Posted by Mudsport96
I've ran codes before and got egr which I switched with a buddies who's truck runs normal and it did nothing
 
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Old 04-14-2016, 08:54 AM
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There are three sets of codes.

You should start with the Key On Engine Off (KOEO) tests and the Stored (aka Continuous Memory) code display. Fix any issues flagged there.

Once the KOEO and CM tests pass, Code 11 or 111 for KOEO and the same for CM, then go to the Key On Engine Running (KOER) tests.

During which code display was your "egr code" ?

A rolling idle is typically caused by a sticking/faulty IAC, vacuum leaks or a bad TPS. Starting with the code checks is a great place to start.
 
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Old 04-14-2016, 09:43 PM
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Originally Posted by rla2005
There are three sets of codes.

You should start with the Key On Engine Off (KOEO) tests and the Stored (aka Continuous Memory) code display. Fix any issues flagged there.

Once the KOEO and CM tests pass, Code 11 or 111 for KOEO and the same for CM, then go to the Key On Engine Running (KOER) tests.

During which code display was your "egr code" ?

A rolling idle is typically caused by a sticking/faulty IAC, vacuum leaks or a bad TPS. Starting with the code checks is a great place to start.
I have a tps I'm going to put in this weekend it has a new iac and i can't hear any vac leaks so it's my las shot I'll run codes again after tps if it doeant fix it.
 
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Old 04-16-2016, 10:14 PM
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Originally Posted by rla2005
There are three sets of codes.

You should start with the Key On Engine Off (KOEO) tests and the Stored (aka Continuous Memory) code display. Fix any issues flagged there.

Once the KOEO and CM tests pass, Code 11 or 111 for KOEO and the same for CM, then go to the Key On Engine Running (KOER) tests.

During which code display was your "egr code" ?

A rolling idle is typically caused by a sticking/faulty IAC, vacuum leaks or a bad TPS. Starting with the code checks is a great place to start.
Tps didn't fix it but when I was doing it I broke the vacuum line that's between the intake hoses on the throttle body and it ran perfect no but it was running lean any ideas?
 
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Old 04-17-2016, 09:39 PM
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Fix the vacuum line and pull the codes.
 
  #8  
Old 04-18-2016, 10:20 AM
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Originally Posted by Oldboots
I have a tps I'm going to put in this weekend it has a new iac and i can't hear any vac leaks so it's my las shot I'll run codes again after tps if it doeant fix it.

Unless the vacuum leak is huge, like a hose off the brake booster you will never hear a vacuum leak.
 
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