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Guest
Posts: n/a
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E30 Idle speed troubleshooting
Hi pelican, Ive got an 89 325is. Once the car gets up to temp it surges randomly when idling, and the throttle sticks open slightly when i clutch in. Would this be a sticky idle control valve or a bad throttle switch?
__________________ This post was auto-generated based upon a question asked on our tech article page here: BMW E30 3-Series Idle Speed Troubleshooting (1983-1991) | Pelican Parts DIY Maintenance Article |
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04-04-2017, 09:15 AM
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Moderator
Join Date: Jan 2015
Posts: 127
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Likely the idle control valve, but make sure that your throttle linkages are free to move.
- Casey |
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04-04-2017, 09:15 AM
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Administrator
Join Date: Feb 2015
Posts: 3,359
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If your idle control valve is faulty, here is a new one: 1989 BMW 325is Base Coupe - Idle control valve
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04-07-2017, 08:10 AM
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Gladiator
Join Date: Aug 2016
Location: Near Annaolis Md . along the Severn River in the woods.
Posts: 122
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Page 27 of section 6 Bentley gives 6 items to check. With me its always a vacuum leak. A new valve cover gasket & tighten all the hose clamps may fix it.
Tom |
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04-08-2017, 03:15 AM
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