Failed smog due to "air injection" Mom's car failed smog due to "air injection" What can she expect to pay for this to be fixed and what is involved in fixing it?
06 Jul, 2012
66%Solved this issue
106minTime to fix
65%Recommend to DIY
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What did you find wrong with the Thermactor/air injection system? If it was a system fault code that indicated the system is not working you likely need to replace the electric pump for the injection. Air injection speeds up the Catalytic chemical process by adding Oxygen when the engine is cold and Hydrocarbon production by the engine is higher. It runs for a very short time and then is shut down by the on board computer when it see the correct O2 signals.
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