What is your question?
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What is your question?
when it was running for that time the ideal would rev up then drop back down
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have you tried cleaning the Idle Air Control Valve? it has 2 small coolant lines that you disconnect and 1 electrical connector,and 2 screws to take out.if needed,google AC407 for a picture. keep in mind,this valve is $221.99 at a parts store,so try and clean it! also,check all vacuum lines/hoses/pcv valve/hose.