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  1. Problems and Service
    I have a 2008 Chevy Cobalt LT and I've been having an issue for about a year now with the code P0411 --Secondary air injection system- Incorrect airflow. My boyfriend has replaced the Diverter Valve, The pump, the pigtail for the diverter valve, and even the PCM--The code came back !! We have...
  2. Problems and Service
    I know this question has probably come up a million times but I haven't found anything on it. So I recently had to replace the flange on my exhaust. I took it off the car and welded an aftermarket piece on that uses mesh instead of the flex. Now, I am getting a p0141 and a P0036 also when I come...
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