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    Thread: 2006 Aveo. Trouble codes 300 302 303

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      What's wrong with my car?
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      2006 Aveo. Trouble codes 300 302 303

      I have a 2006 Aveo. Replaced engine, sensors, plugs wires, coil pack. new convertor. At idle no codes, runs great, but within 30 seconds it throws codes 300, 302, 303. What else could it be. I have 140 lbs compression in each cylinder. HELP
      Also replaced fuel pump assembly and switched injectors. 55 psi on fuel system





      Last edited by dshowejr; 09-13-2017 at 07:09 PM.

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