fluctuating idle
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Crazy Go Nuts!
Joined: Dec 2001
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besides the IACV what could be the other causes of my motor annoyingly fluctuating between 900-1500 rpms ive got an ITR manifold on a b17a and an overbored b16a throttle body. allthe vacuum lines look to be hooked up right just wondering what else could be causing it.
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Sodalime is good.
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Manifold isnt quite tight... 
This happened b4... just double check ALL bolts/nuts are tight.
Any leak will cause your symptoms... Good luck...
This happened b4... just double check ALL bolts/nuts are tight.
Any leak will cause your symptoms...
Good luck...
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Joe
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Livin' in Seattle
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Originally posted by "Someone"
Originally posted by Mr Self Destruct
fast idle thermo valves die all the time. Remove the intake and place your thumb over the hole in the bottom of the TB. If the idle clears up theres your problem
Originally posted by Mr Self Destruct
fast idle thermo valves die all the time. Remove the intake and place your thumb over the hole in the bottom of the TB. If the idle clears up theres your problem
Livin' in Seattle
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Easy way to diagnose vacuum leak is with a can of butane or vacuum gauge. With the butane just release it around the vacuum lines and gasket areas if idle kicks up youve found your leak source. With the vacuum gauge itll fluctuate and depending on how rapid/slow they are and the amount that they fluctuate with respect to a set time you can determine the source.
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mabye the throttle position sensor if its not a vacum leak.
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88 Civic Sedan cardinal metallic red
" I am so dirty...On the inside " - Trent Reznor
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88 Civic Sedan cardinal metallic red
" I am so dirty...On the inside " - Trent Reznor
14.729 @ 94.79
60' 2.424 ( Pep-Boys Tires!! )
Thread Starter
Crazy Go Nuts!
Joined: Dec 2001
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thanks guys! ill be sure to check all of the above in the morning this idle thing is driving me insane!
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I use a buck to wipe my @ss, 'cause see, my sh!t is on the money.
I use a buck to wipe my @ss, 'cause see, my sh!t is on the money.
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