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Idle problem after some work

Old Sep 14, 2007 | 01:03 AM
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Idle problem after some work

It looks like I'm missing something because i cant seem to get this idle problem worked out. After blocking off the AWS and installing an efini y-pipe my idle has become very high at around 2000-2200rpm. I adjusted the TPS screw to the point where it was all the way in bringing the idle down to 1400rpm but I don't think having it screwed all the way in is the right fix plus the idles still high. I have a PFC, intake, and full exhaust. Any ideas are welcome. It was pretty dark when I got the UIM all hooked up could a incorrectly placed vacuum line be the culprit?
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Old Sep 14, 2007 | 07:03 AM
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After searching i found it wouldn't have anything to do with TPS. I'll check the vacuum lines today.
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Old Sep 14, 2007 | 07:13 AM
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Originally Posted by Specter328
It looks like I'm missing something because i cant seem to get this idle problem worked out. After blocking off the AWS and installing an efini y-pipe my idle has become very high at around 2000-2200rpm. I adjusted the TPS screw to the point where it was all the way in bringing the idle down to 1400rpm but I don't think having it screwed all the way in is the right fix plus the idles still high. I have a PFC, intake, and full exhaust. Any ideas are welcome. It was pretty dark when I got the UIM all hooked up could a incorrectly placed vacuum line be the culprit?
A unplugged/busted hose or uncapped nipple would be more likely.

Only adjust your TPS if you are reading the voltages.
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Old Sep 14, 2007 | 08:04 AM
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Originally Posted by Specter328
I adjusted the TPS screw to the point where it was all the way in bringing the idle down to 1400rpm but I don't think having it screwed all the way in is the right fix plus the idles still high.
I assume you meant the air bleed screw on the bottom LH side of the throttle body?
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Old Sep 14, 2007 | 08:09 AM
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Originally Posted by DaveW
I assume you meant the air bleed screw on the bottom LH side of the throttle body?
You are correct, I confused the two.

Thanks
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Old Sep 14, 2007 | 09:53 AM
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Well there's nothing wrong with the vacuum lines but I think the problem was I forgot to let the car relearn idle after disconnecting the battery. Now for the new problem, what is the correct position for the air bleed screw since I messed with it?
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Old Sep 14, 2007 | 12:45 PM
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I'm in North NJ. Bring me the car if you like.
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Old Sep 14, 2007 | 02:03 PM
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Originally Posted by Rotary Experiment Seven
I'm in North NJ. Bring me the car if you like.
Thanks, but it's not that serious of a problem so I think I can handle it. If something should come up your the first person on my list to go to.
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Old Sep 14, 2007 | 03:42 PM
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Originally Posted by Specter328
Now for the new problem, what is the correct position for the air bleed screw since I messed with it?
https://www.rx7club.com/3rd-generation-specific-1993-2002-16/fixed-my-idle-problems-backfiring-bucking-more-170731/

I believe you'll find it in the above thread, I think it's a quarter turn from bottom, though you can adjust it to less using the two adjustment screws. Though checking your tps voltages is a good place to start.
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