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crank shaft sensor

  1. NG900 & OG9-3 Workshop
    My 1999 9-3 is running great at slow speed. Once the engine warms up and I get on the highway it seems the timing falls off. RPM gauge jumps all over the place. If I accelerate slowly it seems I can get to about 60 + mph but if I gun it I get this timing issue. Check Engine light is on...
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