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crank shaft

  1. hard starting problem please help!

    Problems & Troubleshooting
    my 2004 ion RL began to take a long time to start, with many turn overs of the crank. i took it to 3 shops and no one could figure it out, the scan tool reads that the cam shaft positioning sensor is not responding, so we replaced that and didnt work, so i replaced the pcm and that didnt fix it...