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The cam sensor tells the computer where your cam is in it's rotation. The info is used to determine spark timing and fuel delivery. if it's bad, you'll run rough or not at all. Vehicles with distributors will sometimes integrate thet sensor with the distributor. Otherwise, it will be located near the cam. I had a Vauxhall Vectra - terrible car!! - one of the problems was engine dying on me at any point whilst driving! it was almost impossible to trace the problem as it was an occasional fault, but stopped for good once the cam sensor was changed.

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2008-10-28 18:28:20
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Q: What is a cam sensor and how do you know when it is going bad and where would you look for it?
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