running hot/idle low and surging?

stang619

New Member
Sep 6, 2004
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Recently I noticed my car was operating at a higher temp. It used to come rite up to 180 and never go beyond that. Now its over a notch higher on my guage . It also starts to idle funny after Ive been driving it . When I start it up it idles fine then like a min later it it goes from 750(rpms) down to 500 and and surges up and down around 500. I also notice my volt meter surges with it .. Its do for a tune up anyways but what else you guys think is going on?
 
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