Uncontrolled revving - Alfa Romeo Forum
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Uncontrolled revving

My twinspark 2.0 has started revving at 3.5-4k revs on start up and doesn't drop. It had been running fine. I replaced the MAF in the spring and it revs like this even if I take off the air inlet pipe... although if I gently press the peddle the revs start to come down then it cuts out. Any ideas ... someone has suggested the potentiometer.... expensive??

Cheers for looking.
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I was going to suggest the potentiometer, not sure when they were introduced p2 or p3 - not sure about the price I read in auto italia that a 156 replacement was approx 500 - I hope they aren't that much.

I drove a Fiat Bravo where the p thingy was dodgy and the symptons were similar to the ones you describe. But I get things checked first especially if they are expensive.
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revving , uncontrolled

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