Thread: Overactive AAV idle control w108 4.5
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Old 06-16-2019, 01:53 PM
vandor vandor is offline
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Join Date: Jul 2011
Posts: 543
The coolant temp sensor for the ECU? When it's bad or disconnected the mixture will be ridiculously rich, so I don't think that's what it is, but I will check it anyways.
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Csaba
1972 280SEL 4.5, silver
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