Question about 2007 Chevrolet Cobalt Coupe
The computer has detected a fault in the emissions system that could damage the engine. It disables the engine so you cannot drive it and damage it. It must go to the shop. This sometimes happens after an aftermarket exhaust system is installed and it was not done properly or if engine modifications were done improperly. This can clog the catalytic converter and cause higher back pressure.
Posted on Jul 15, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
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Please see my tip at http://www.fixya.com/cars/r5932051-check_engine_light_check. These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.
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