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'94 Accord. Engine Surging
94 Accord 2.0i. Engine is surging between 1000rpm and 2000rpm when
stationary or the clutch is dipped when driving. Engine light has not come on and there appear to be no fault codes present. Otherwise, the car drives perfectly ok. Any suggestions? Failing lambda sensor perhaps? Please help....this is the mother in law's car and it would make my life much more peaceful as well as earning major brownie points with the wife!! Matt *** Free account sponsored by SecureIX.com *** *** Encrypt your Internet usage with a free VPN account from http://www.SecureIX.com *** |
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#2
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'94 Accord. Engine Surging
How about you take that advertisement crap out of the bottom of your post? And it sounds to be your IACV (Idle Air Control Valve) located on the back of throttle body, extending onto the intake manifold. When those go bad, the idle tends to surge like you're speaking of. If that's not it, try bleeding the coolant. This has happened to me quite a few times, and everytime it has been either the IACV, or coolant needed bleeding. Good luck with it. -Wes -- ZedEx ------------------------------------------------------------------------ ZedEx's Profile: http://www.automotiveforums.com/vbul...?userid=182686 View this thread: http://www.automotiveforums.com/vbul...d.php?t=541384 http://www.automotiveforums.com |
#3
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'94 Accord. Engine Surging
Why bleeding the coolant? Are you saying air in the coolant would make engine stalling or rough idling? why? |
#4
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'94 Accord. Engine Surging
If you have air in your coolant system, gaps in the coolant if you will, when that air flows through the IACV, it causes the idle to drop. When I had my IACV not attached to anything when I had ITBs (Individual Throttle Bodies) on the Civic, the idle was horrible. We made a plate to bolt it to that sealed it off properly, and the idle returned to normal. When we reinstalled the normal manifold (ITBs aren't too good for daily driver, I learned this the hard way.) and we had everything back to how it should be, the idle was still sparatic. After about 10 seconds of bleeding, the idle returned to normal idle. Hope that answers your question. -Wes -- ZedEx ------------------------------------------------------------------------ ZedEx's Profile: http://www.automotiveforums.com/vbul...?userid=182686 View this thread: http://www.automotiveforums.com/vbul...d.php?t=541384 http://www.automotiveforums.com |
#5
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'94 Accord. Engine Surging
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