2001 Cadillac Catera Q&A

2001 Cadillac Catera Question: engine idles at 2000 rpm when hot, coolant comes out of overflow, no codes

when more load is applied to engine the idle returns to normal but gradually increases to 2000 rpm. checked for exhaust gases in coolant, negative -
Answer 1
have you tryed the throttle positioning sencer -
Answer 2
suspect vac leak 1st then poss t/body sticking -
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