Chevy Cobalt Forum banner

p0300

  1. Problems and Service
    Ok guys I know this has been posted quite a bit but it seems my issue is a little more complicated than others and I have not been able to fix this problem for the life of me. My cobalt is a 2007 LS 2.2 What's been replaced: Spark Plugs Coil Packs Fuel Filter My cobalt has a constant CEL and...
  2. Problems and Service
    hello everybody, A few weeks ago I went to autozone, a worker showed me a big list of spark plugs, and I chose one from the list. I installed them and everything was fine for about 2 days until I got P0300. I went to a different autozone and this time a worker helped me who showed me only 2...
  3. Problems and Service
    I bought a used 05 cobalt 2.0 sc around 3 months ago, from the beginning I've constantly been replacing parts to get the car up to par. My current battle is agents normal operating temp range misfires and slight engine vibration. You can hear the miss from the exhaust and I've about fully...
Top