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Re: P0410 Olds Silhouette Strange voltage readings at air pump and vacuum solenoid
Thanks for the reply. I don't think the air pump comes on at all. It's July in New Jersey, temps in the 80's. The car sat all night. Is 80 too warm for the ECM to call for secondary air injection? Could the temp sending unit be bad? It seems to be working fine based on the dash board temp gauge? again, thank you.
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