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Introduction... and questions regarding rough/lumpy idle 200 1993

posted by  mike.volvo.240 on  Tue Oct 22 13:42 CST 2013
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last visit: Fri Aug 22 04:26 CST 2014
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I think it ran worse with the AMM unplugged. And the check engine light immediately came on. I can't remember exactly, but the behavior was enough to rule out the AMM at the time. Maybe I'll retest that today.

Looking through the service history, it looks like the AMM was replaced twice in the last 50K miles. I bet that's due to the failed airbox thermostat, which doesn't look like it was ever replaced. It's possible that the current AMM is on it's way out due to the failed airbox thermostat.






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New Introduction... and questions regarding rough/lumpy idle [200][1993]
posted by  mike.volvo.240  on Tue Oct 22 07:22 CST 2013 >


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