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strange idle 940

posted by  volbro245 on  Sun Feb 3 13:36 CST 2013
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last visit: Wed Nov 6 18:05 CST 2013
[RELATED]

Thanks for the reply. I pulled off the IAC- clean. Cleaned the throttle body, it wasnt too bad, but couldnt hurt. Started up,. What i noticed was as the engine warms- the rythmic miss or stumble at idle get faster and faster. So when just started from cold-runs fine. As it warms the rythmic miss changes from every 15 seconds to every 8 seconds. Seems to stabiize at that rythym.

Would this be o2 sensor? What in the idle system is temp related.

the engine never dies, just does this odd stumble/miss or hesitation.

This car is Bosch.

Thanks again,

Andrew.
--
Current: 86 245, RIP: 1983 245 Turbo, 1984 245 Turbo






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