Hey.. My roommate has an 05 Aveo and its throwing a P0300 Check engine light. I know what it is - Random misfire in multiple cylinders. And thats exactly what its doing obviously. I've looked online. People have changed the plugs & wires with no fix. I have not done this yet, but I plan on it tomorrow. 1 guy said he took it to the dealer, they cleared the ECU, and and all the sensors, and this fixed the problem, but I dont see that fixing it. I could be wrong, but I never heard of that fixing anything. Do you think this could fix it? If not, what else do you think that it could be. Any help is appreciated. Thanks!

How many miles? Mine did it at 34k and I changed the plugs. While in there I found a vacuum leak off of the plenum. Fixed that. The NGK V POWER plugs that were in it were completely worn down so that there was no longer a v in the firing electrodes. I put NGK Iridium plugs back in. Either plug is reccormended by the Aveo owners manual. When you find what it is would you post us back?

Yes reseting the ecu will fix this.. Ps. Dont forget the lights on

dear ser
i want the WIRING DIAGRAM toTransmission Range Sensor Circuit .my car aveo1.4L MODEL 2009 IT HAVE CODE P0705
THNKS

dear ser
i want the WIRING DIAGRAM toTransmission Range Sensor Circuit .my car aveo1.4L MODEL 2009 IT HAVE CODE P0705
THNKS

dear ser
i want the WIRING DIAGRAM toTransmission Range Sensor Circuit .my car aveo1.4L MODEL 2009 IT HAVE CODE P0705
THNKS


look go to the dealer with a baby car ask for the part and they will show you where it gose if you could get the part good luck