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air pump
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  1. Problems and Service
    Hello, i have a 2007 Cobalt LT 2.2L. The P0411 ( incorrect air flow SAI) popped up and I was able to detect that my smog pump was not working. I really do not want to pay a mechanic to replace the part, due to the fact that i think it is simple, so if anyone has a link to a video or can explain...
  2. Engine Mods
    Well I ended up replacing the solenoid and air pump, but moved the pump location and did some dissecting to learn more. About a month ago I started throwing codes. First the EGR looking thing (solenoid) that sits between the firewall and engine crapped out. Replaced it and the codes went away...
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