Question about 2004 Chevrolet Aveo

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Chevy aveo question

I saw your response to souza50's question about his aveo, and i have similar one i thought you may be able to help with.

i have a 2004 aveo, 63000 miles, just had the timing belt fiasco that they seem to have. replaced the belts and 2 valves at 60027 miles, and afterwards i noticed some hesitation when i accelerated, but it went away once i was moving again. it only does this when the A/C is blowing, so for the most part, turning the a/c off before acceleration skips the problem.

but then, about two weeks ago, the check engine light began to flash during a sputtering bout, and then came on solid. it was on for the rest of the night, then suddenly went off while driving.

then today, i noticed the idle is pretty rough while the a/c is on. it will cough and sputter for a second or two, then act like nothing is wrong. while sitting in park, it only does this once every few minutes (maybe 3 or 4. i notice it once or maybe twice while at a stoplight). I've got an appointment to have the plugs and wires changed later this week in hopes that will fix it, but thought i'd get your opinion as well.

if you need any other info please let me know and i'll get it for you. i'd love to keep this car in good shape because i think it's going to have to last a while haha. thanks in advance

- john

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  • Anonymous Jan 08, 2009

    I have a 2006 chevy aveo and it is acting the same way. Took it
    to autozone and found cylinder 1 and 4 misfiring.

  • dogalone Feb 14, 2009

    very similar; add does not warm up to "normal" operating temp in less than 10 minutes.... mechanic indicates new coil (wires & plugs were found to be good)

  • Anonymous Apr 14, 2009

    Same thing, changed Coil, spark plugs, spark plug wires, worked for a day or two and then back at the same problem.




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I had same problem and likely that caused by catalitic converter clogging up, that's diagnoticed by dealer on mine, and Mfr warranty is 80k miles for that part, but you may have to pay for the labor.

Posted on Feb 16, 2009

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You have a mis-fire in the ignition system, have Kragen Auto or any chain parts store run a quick test (it's free) to get the code, it will tell you which cylinder is mis-firing.

Posted on Aug 28, 2008


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