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over reving on idle

1K views 1 reply 1 participant last post by  wayn123 
#1 ·
hi my 97 coupe has started over reving when i start the car it will rev up to 5000rpm then drops to 1/2 rpm just reving between 1 & 2 but if i disconect the throttle position sensor its fine so if i got i new one will it sort it or could it be somthing else , also do you know how much one is??

thanks
 
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