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Idle Air Motor 200

What year is your 240?
It's normally located under the intake manifold on post '85 models.
First I would remove the throttle body and clean it. Pay attention to the small holes. Use a toothbrush and some carb cleaner. Next remove the IAC valve and see if it's gummed up, clean with Q-tips carefully, and use a mix of WD-40 and carb cleaner, gently on the rotating cylinder valve, don't flood it.
Check all your hoses connected to the intake manifold, throttle body and IAC valve for leaks, also the flame trap clean/replace. This kind of service usually fixes most idle problems.
Good luck
--
'89 245 sportwagon, destroyed by hit & run driver, RIP. '04 V70 2.5 T Sportwagon, 12k mi and '91 245 5-speed, 209k mi, replaced the '89






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