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post #1 of 3 (permalink) Old 08-06-02, 09:12 PM
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What is a PVC Valve?

Whats a pvc valve and where is it? I have trouble withmy engine reving to high when at the lights so I bypassed the ISC motor and run the air inteke manualy, but the problem still occurs when I hammer the car and come to a complete stop. It revs up to 1200! Long back I crossed the water cooling sensor with resistors and got a cabin full of black smoke since then I have had this problem, is there a way to fix this plus just last night a started geting this rumbling noise when I start the engine as if there is a screw in the engine being tossed around it stops when driving but should I be worried?
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post #2 of 3 (permalink) Old 08-06-02, 09:26 PM
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positive crankcase ventilation. it sucks the shitty vapours out of the engine. you should see it with a hose attatched to it at the faward top of the rocker cover. the hose would go to a vacuum source somewhere (inlet manifold usually)
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post #3 of 3 (permalink) Old 08-07-02, 04:47 AM
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yours might have shat itself and is being tossed around inside the rocker cover?

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