Question about 2000 Chevrolet S-10

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2000 Saturn LS1-Code PO300?

My Saturn 2000 LS1 has 134k miles and shakes when sitting in park or sitting at a red light. Once I accelerate it is fine and good on the highway. What could it be? I had a full tune up platinum plugs, new wires, fuel filter, air filter, gas treatment, throttle body cleaned and still the same problem. Then I changed the spark plug coil, same problem continues. Car sat in the cold for 2 days and now won’t start. Gives a humming sound but never turns over. Sounds like a high whining sound much like a power drill or like the beginning of VH “Poundcake” song. Makes me think it is a vacuum issue or possibly a timing belt/chain issue. Battery and alt fine, but SES light stays on. Code PO300 comes up as well. I understand there is a "Multiple Engine Misfire" but it wont start at all now. What could it be??? HELP!!!

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Not sure about fault code but the not turning over and drill noise is the starter motor not engaging which will probably require renewing

Posted on Dec 14, 2008

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It sounds like youre having a starter issue right now and the shaking could be a stuck valve from the soulds of it.

Posted on Dec 14, 2008

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