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Chevrolet Aveo Engine Problems



  • smartiessmarties Posts: 3
    Well i still don't have my car, been gone since the 21 july now. The mecano changed all the wiering in the car (computer area). Apparentaly it is not the computers they are fine, it is a bad connection between them that is causing the trouble. The guy from GM Canada, the big tech guy, is flying to montreal today cuz they really don't know. They say maybe a relay... :cry:
    I ask to look at the hot key problem, maybe it is link to my problem. I saw it on the net that a few person had this problem with the 2007, but soo far not with the 2008. It is told that a guy had even his CD player melt. My representant from GM think that GM Canada will just give me a new car if the problem is not solved by friday (1/08/2008)
    I just want my car back, i don't like the one they lent my (cobalt LT)
  • Finally getting my car tomorrow morning..17 days later...even the tech from GM had a hard time finding the problem. It is not the relays, not the CPU, not the gas. It was the computer that was touching a metal part of the mounting bracket that was creating a jack. The computer was not getting any info in out out so that would be a reason why the car was stalling in the morning, it didn't know the heat or the octane of the fuel...(this is a really short summary). The hot key problem...well it did not do it a the garage, maybe the jack problem was doing a short??? we'll see in time..
    Soo i almost had a new car :(...but mine has only 1500 km... :shades:
  • This is a followup to my previous message. The engine of my Aveo hatchback stalled again this afternoon while I was driving it. This is the third incident - twice while driving, once while stopped at a red light. This is a car which has just a little over 1,000 miles on it. Though it is a 2007, I bought it new in April of this year (2008). There has been a recall of Aveos before, though not for this particular problem. It looks like it is time for another recall. In any event, I am about to demand that my car be replaced - but NOT with another Aveo. Though I like this car very much, like the way it handles, I no longer trust it. If the engine stalls on a highway - and you have to drive on highways in this area of Broward County, Florida - there could be a multiple car pileup with injuries and deaths.
  • poncho167poncho167 Posts: 1,178
    Unfortunately, not too many auto dealers domestic or foreign will take cars back because one has a continuing problem. This is not a common practice.
  • aveoctbaveoctb Posts: 5
    Not always true. In PA we have a lemon law that says that if a problem occurs within 12 months / 12000 miles that the dealer fails to fix after 3 or more attempts, they're obligated to either replace the vehicle with a similar vehicle, buy the vehicle back (minus some reasonable amount for wear), or pay you whatever the problem would cost you in resale value. I believe that if arbitration fails and you have to go to court, they're even obligated to pay your legal costs, though I'm not sure.

    If your state doesn't have a lemon law, check your other options as there is a federal lemon law, and you can always seek counsel regardless of specific laws if you feel you've been ripped off:
  • There is a happy ending, but an embarrassing one for me, to the problem I have encountered with engine stalling. It turns out there is nothing wrong with the car. I was allowing the key to dangle in the ignition from a keycase I use. When the dangling moved the key too quickly or distantly, that caused a change in the position of the switch so as to take the connection out of drive mode, thus cutting off the engine. A perceptive service advisor at the Chevrolet dealership where I took the car for the first three-month service, as well as diagnosis of the problem, finally figured it out. Since dumping the keycase in favor of a single key that stays straight in the ignition, there has been no problem. This goes to show you that sometimes there is a practically unimaginable cause of a mechanical problem that will remain unresolved unless every conceivable aspect is considered, including some factor that is not covered by "the book." You have to persist. I am so glad I did, since I did not really want to try to force Chevrolet to recall and replace my Aveo hatchback because, to the extent it is possible to love a machine, I have loved this car since the first day I drove it. Now I can trust it again, and I am having fun driving it - especially because of the way it handles and because of the gas mileage. For example, I filled the tank on July 16th and by August 10th when I took my next trip to a gas station for another fill-up, the tank was still at the halfway mark. Thanks to all who made suggestions as to possible cause of the stalling.
  • naseathnaseath Posts: 3
    I am having a very similar problem. Mine started when the oil pump gasket blew at 4900 miles on my 2007 Aveo. They fixed the gasket and reinstalled the timing belt incorrectly. They adjusted the timing belt and everything seemed to be okay.

    The next moring it took 3 tries to start and on the last try it seemed to sputter for a few seconds. The idle fluctuated between 500 and 1500 RPM a few times before finally settling at 1500 RPM (high idle). It ran fine after this and I took it to the dealer. They said it had dirty injectors. This surprised me since I mainly use Chevron gas, no cheap gas and it only had 5000 miles total. They cleaned the injectors and gave it back to me. It ran fine and started fine. The next morning it happened again. I left it with them for 4 days and they could not replicate the problem. It has happened 6 times now. in 2 months. It happens about every 2 weeks. Once it starts it has no problems. I can turn it off and start it again without any problems The dealer says they can't fix it because they can't find it.

    You said,
    "It's funny, after it gives me a really hard time for a few starts, it will start up for exactly 23 times after that perfectly. Then, the car will start to run rough and on the 24th time, it will "skip" or crank slow. Isn't that funny?"

    What is the time frame that you are seeing between the 24 times. Do you start it 24 times in row or is this over a few days of driving?

    Have you figured anything out? How many miles does your Aveo have and what year is it?

  • flaaveoflaaveo Posts: 161
    I know that you SHOULD pressure flush most radiators every 2 years, and refill with new coolant, of course. The chemicals in the coolant 'break down' around the 2 year mark, so I have always been told. My questions are.

    (1) Is it still the 2 year mark for flushing the coolant system for the Aveo, or does it have that long lasting coolant in it, that lasts like for 5 years?

    (2) OR would adding one of those pint bottles of Prestone 'Anti Rust/Water Pump Lubricant' additive, be just as good? I drain out like 1 pint of coolant, so it doesn't overflow, and just pour it in the radiator. It is suppose to replace the 'protective chemicals' in the coolant and help lubricate the water pump and make it last longer.

    I did use it in one of my Ford Rangers, at the 3 year mark, and the radiator never had any rust develop. I drive so little...I have a 2006 Aveo Hatchback, and it only has 9,700 miles. Does that change the time period to change the coolant and maybe make this an option?

    Should I spend all that money on an expensive professional flushing? OR spend just $6.00 on a bottle of that radiator coolant additive? Any opinions? I take very good care of my little car. But this is the first 'non warranty' maintenance thing I have had to think about doing, other than oil and filter changes of course.
  • poncho167poncho167 Posts: 1,178
    Flush every two years unless it has the 5-years Dexicool. Flushing services usually do it for $40-70. It is worth the piece of mind.

    Adding additives doesn't preserve the useful life of the antifreeze.
  • flaaveoflaaveo Posts: 161
    Hey. Thanks for the reply. Do you know if our Aveos have that Dexicool in them? That is the long lasting coolant I was talking about. Isn't it orange or red? I know mine is the plain old its the plain old coolant?? Or do they come with that Dexicool?
  • If you have a lift and can get under the car, no. Sometimes they're hard to reach though and you may need an extension.

    1. Unclip the wires from the exhaust
    2. Use a wrench to loosen the sensor, then hand turn it the rest of the way out
    3. Turn the new sensor into place
    4. Clip the wires back into place

    If you have a SES light from the old sensor, it will usually take a few cycles for it to go off.
  • poncho167poncho167 Posts: 1,178
    If its green its the regular stuff. Dexicool as you mentioned is orange. I don't think it comes in the Aveo. Chrysler and Ford has their version of it.

    Interestingly, GM has had some issues with Dexicool. It seems that some 3.4, 3.8, 4.3 L engines had some gaskets that couldn't handle the formula leading to manifold gasket leaks and recalls.
  • I had a very similar problem on my 2007 Aveo. I first had a blown oil pump gasket at 5,000 miles. They fixed that and installed the timing belt wrong. They fixed that and then it had the starting issue like you described. Once it would warm up it would be fine. It happened around 6 times at random across 2 months. I took it in and the first time they found that the injectors were dirty at only 5,000 miles. They put in cleaner and it happened again the next day. They couldn't find anything. It then happened about every two weeks. It has now been two months without a problem. I am hoping that it was just some contamination from the oil leak or timing belt problems. They never gave me a straight answer. Did you ever find a solution?
  • This is an update to a posting I did back in August when my thermostat housing broke, last night I drove to the store and when I go back into my car the car started to shake and vibrate then the HOLD LIGHT was flashing. I turned it off and then on and then its fine, lucky the store was only 4 blocks away. What the hell is going on with this car, I hope CHEVY RECALLS these pieces of junk they call cars, I have had nothing but problems since I got it, and now its starting to smell like burn oil. Anyone has had the same problem?
  • I have a 2004 Chevy Aveo (base model). I got my car from a dealership May of this year, and have had nothing but problems. 3 weeks after I bought this car, the cerpintine belt broke and the motor crashed, it tooks months to find the part and $3500 later it's fixed. Now, I've had it back for about a month and the check engine light is on and my car jerks when stopped at lights and while driving. I keep taking it to auto zone and now codes p0700 and p1781 are coming on. Getting that checked out today. Auto zone says that it's a sensor problem, that the computer is sending mixed signals to the transmission, therefore it does not know what to do and when. This is the first American made car that I have owned and it will be last. After this repair, no matter how much it cost, I'll have put more money in repairs than I paid for the actual car and I haven't even owned it for 6 months. Only driven it for about 2 months out of that time. Any help with the codes would be greatly appreciated.
  • Although it probably doesn't make you feel any better, the Aveo is almost entirely South Korean. It's just a rebadged Daewoo Kalos, which is why they have such rotten reliability.

    As for your problem, well.... you could take a long shot on this first if you want: replace the spark plugs with the same kind of plugs you had before it threw the belt if they're different.

    However, in all likelihood when the belt went it destroyed the valves and you're looking at another $1500-$2000 in repairs. If replacing/repairing the head or other valve repair work was already included in that $3500 though, I'd take it back and make them give you a very clear and detailed description of what's currently wrong if they want any significant amount of money to fix the current issue.

    As a follow-up, unfortunately, the timing belts on Aveos are pretty much garbage. They're supposed to be inspected at 30,000 miles, and replaced regardless of condition at, I believe, 50,000. I've never had a car that ever needed a timing belt replaced before 100,000 miles, but I'm not risking it with this heaping pile of junk.

    Sadly, the person you bought it from probably didn't do this somewhat unusual maintenance work.
  • Was it cold on that afternoon. 2005-2006's have had a hard time dealing with cold and their computers. Mine did the same thing, right before the computer died.

  • Re: OIL LEAK FROM FILTER [flaaveo] "I know a gasket comes off with every filter. I have never had a gasket NOT come off. "

    I have to admit confusion here. I've changed many a oil filter and have never had to add another gasket to the mix. Isn't the gasket that's already on the filter enough?

    Also, I have a 09 Aveo LS that I intend to change the oil and filter myself... but after reading though the forums and looking at my car I am not sure where the filter or more importantly the drain plug is. I see a few people thought the transmission plug was the oil plug. I just want to make sure. The obvious choice is the plug on the pan on the drivers side. I couldn't find the one "in the middle of the engine block".

    Thanks for any help.
  • I have a 2006. Same issue. Rough idle. It was a broken vacuum line. Purchased a 12" length of line for 96 cents. Problem solved.

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