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06-18-2007, 11:26 PM | #1 | |
AF Newbie
Join Date: Jun 2007
Location: abbotsford
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89 929 Surging @ idle
After about 4 mins of operation the engine starts to surge between 1800 - 2200 RPM. It does not ever go back to it's normal idle of 800 RPM. When I remove one of the hoses that runs from the left hand valve cover to the intake plenum the surging stops, but the idle is still at 2000. Any ideas?
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04-30-2008, 08:15 PM | #2 | |
AF Enthusiast
Join Date: Sep 2006
Location: Athens, Georgia
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Re: 89 929 Surging @ idle
Check the idle control valve try to clean it good before replacing.
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10-23-2008, 09:03 AM | #3 | |
AF Enthusiast
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Re: 89 929 Surging @ idle
I have the same problem on my 89 929. When i first start the car it idles really high. After about a minute or 2 the idle starts to serge going up and down non stop. I went thru 3 idle valves. Any other solutions?
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1996 Mitsubishi Eclipse RS -Red ****UPDATE**** My car is no more! R.I.P. 12/12/05 Mods: 420a DOHC equipped with: bored 54mm throttle, 2.5" cold air intake, 2.5 chrome headers, 2.5 Down Pipe, 2.5 resinator, 5" 2.5 flared muffler, 2.5 custom piping, Megan front & rear strut, Megan rear lower tie rod, Monroe Shocks, Aerospeed coilovers Rollers: 18" TSW Throphy / Pirelli P7000 225/40/18 |
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