02 Monte Carlo 3.8 won’t crank

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  • #12912 Reply


    Here we go. Started with a really rough idle checked the code found only a P0306. Changed the spark plugs and wires. Checked the coil pack ends ok. I can hear the fuel injector working (screw driver to the ear trick) did a vacuum check and had a steady reading of 10 off the brake booster. While the car was running idle it stalled and now it wont even crank the motor. Was able to turn the pulley bolt on the motor don’t think it seized. Must be electrical. Any help?

  • #16339 Reply


    If it won’t crank at all, I’d first check the starter. Check for power on the purple wire when the key is in the ‘crank’ position. If you have it, then you have a bad starter…if not, check wiring, computer, fuses, relays, ignition system, etc…

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