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Registered
Join Date: Sep 2003
Location: jackson, wy
Posts: 1
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1987 635CSi idle problem
I recently acquired a 87 635csi in California. When I drove it home to Wyoming I expericienced no problems at all on a 1000 mile trek. After driving it here at 6200 feet in elevation for a day - no problems. However, today I started it up and the idle jumps from 100rpm-2000rpm and back repeatedly. I opened the hood, jingled the throttle and the idle went back to normal. After leaving work the same thing happened at start up, jiggled under the hood again and nothing - drove it home (10 miles) and the idle kept jumping. What should I do? where do I start? injectors, stuck idle cable? please help.
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09-09-2003, 09:17 PM
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 In figure 3 there is the idle actuator. Try cleaning the slider with a spray of wd40. If the fails to correct it you can replace it and Pelican Guys will help there. You can make a temporary correction by drilling a 1/4 inch hole in a penney. Place the penney in the intake to the idle valve and it will restrict the max RPM to the 1/4 inch hole and solve the issue. Yours is not covered exactly but the issues and corrections are the same. Have you met Sam yet? http://www.mesaperformance.com/faqs/idle.html Later, 
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10-17-2003, 01:18 PM
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