I have a 2007 Chevy aveo manual transmission which I inherited from my wife who is the original owner. The car randomly dies while driving, no warning, no noise, could be during idle or in 5th gear on the highway... I know that many of you feel my pain, because I've been ransacking this forum for information for months-- so I figured I'd join.
The stalling was intermittent, and for awhile I thought it was temp related, but now it dies within a minute of starting, but still starts strong without hesitation every time, after turning the key off for a minute.
I started working on it in March, back when the problem was just a nuisance, and did general maintenance: oil change, spark plugs (there was oil in there so I did the valve cover gasket too), air filter. Engine sounded great after that, but still clicked off once per 40 minutes of drive time. Next I blew a tire off the rim on a pothole in the rain taking it for a test drive and forced it home
Then I opted for the $30 fixes based on some auto zone code readings and advice from the forum: crankshaft sensor (easy), then camshaft position sensor (straightforward, but time-consuming). I detected no discernible difference, and in fact, the camshaft sensor still threw a code when I took it back to Advance Auto. The other codes were: P0601 internal module memory check sum error, P0340 (camshaft), P2105 throttle actuator control system-- forced limited power (x 2!), P 2106 throttle actuator control system-- forced engine shutdown (also x 2!), P0131 02 circuit low voltage bank 1 sensor 1, P0403 exhaust gas recirculation control circuit.
So obviously, the "not serviceable" throttle body + TPS became the $200 elephant in the room.
I didn't want to go down that road unless I had to, but then I learned that wifey had it swapped out days outside of warranty (of course) for a similar problem years ago, which gave me more than a clue.
So I took it to a farm mechanic friend from work who put his diagnostic code reader on it and gave me a big lecture about why Chevy sucks and hates the customer and the independent mechanics, etc. He agreed that the throttle body is the next logical repair, but also noticed a broken mystery resistor bolted to the frame with disconnected purple and red wire. Had to order it from Chevy ($1, think it was for daytime running lights or possibly engine cooling fan, either way it didn't solve the engine shutdown problem. At this point, the car couldn't get 1000 ft without stalling.
My $200 electronic throttle body arrived in the mail today, I swapped it out, gave wifey the honor of starting it up, and... it died within the first 30 seconds! In fact, now it's harder to get it started at all. Revving it up can't hold on to it for more than a minute either. The engine does sound GREAT for the thirty seconds it runs for though
So demoralizing-- please help!