Last post on Oct 05, 2013 at 2:53 PM
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Chevrolet Aveo, Engine, Hatchback, Sedan
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#219 of 307 04' Aveo codes P0700 and P1781-Help?
Nov 03, 2008 (7:43 am)
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.
#220 of 307 Re: 04' Aveo codes P0700 and P1781-Help? [nea022]
Nov 03, 2008 (10:08 am)
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.
Nov 05, 2008 (4:18 am)
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.
Dec 02, 2008 (12:05 pm)
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.
#223 of 307 Car Will Not Start
Jan 25, 2009 (1:56 pm)
My boyfriends 2004 Chevy Aveo at 69,000 miles will not start. It did this about 6 months ago and it turned out it was the timing belt, which bent a valve I think. Eventually this cost around $700 because my brother worked on it for him. Now the car won't start again, the valves are moving, so it's not the same problem. There's spark going to the coil pack. Any suggestions?
#224 of 307 2004 Chevy Aveo Rough Idle
Mar 02, 2009 (7:57 am)
My fiancee has a 2004 Aveo it has a rough idle and is showing three codes, P1781, P1701, and a P0700, the scanner shows severity unknown, I've had it in to be looked at and the shop that looked at it, said it was the vacuum hoses, so they took them off and cleaned and inspected them, and didn't find anything, when they put it back together it was running better, they said to replace the Idle air control valve, but that they couldn't get one in for it for 2 months, I just put it in over the weekend, and it didn't seem to make a difference, they also suggested the MAP sensor, which I can get from rockauto.com. I had an engine scan run on it by the chevy dealership, and they said it was clear, but the codes won't clear off of it, the car has 69,xxx miles on it, and this has been going on for 3 months, fortunately my grandfather is no longer able to drive and we borrowed his car for this whole time. Any help is appreciated, also one of the codes is shared with the transmission, and is not allowing the car to shift into 4th gear.
#225 of 307 Unreported cause of engine stalling
Mar 03, 2009 (8:10 am)
In a message dated August 6, 2008, I mistakenly blamed my Aveo for engine stalling. The problem was not the car, but rather my ignorance of what can happen if you allow a key to dangle in the ignition switch from a key case or key chain. The motion of its swinging will cut off the engine. That results from an overly sensitive ignition switch. You have to use an unsupported key or in any event a key that is not dangling in such a way as to let it swing - at least for the 2007 Aveo hatchback, which I bought new early in 2008. Maybe that does not happen with models from other years.
#226 of 307 2005 aveo not starting
Apr 09, 2009 (5:42 pm)
Have a 2005 aveo with a starting problem. YOu can hear the starter spinning but it is like the relay in not engaging to the flywheel to start the engine. Any suggestions.
#227 of 307 Re: 2005 aveo not starting [mechjo16]
May 29, 2009 (5:12 pm)
i have an 04 aveo that started doing the same thing today. it was in drive in the driveway and just quit. i checked the timing belt and its fine. when you try to start it back the starter spins but something isnt engaging the crank. i cant figure it out. let me know what it turns out to be on yours. my serpentine belt turns when you engage the started but the crank doesnt turn over.
#228 of 307 Re: 2005 aveo not starting [stephenwarner]
May 30, 2009 (3:03 am)
Mine ended up being the timing belt. If your timing belt is fine it might be the ECU.