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Q: I am getting the repair code P0404- ERG Open position. How do I fix the problem? on 2002 Oldsmobile Alero

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I am also getting the code for random misfires. I cannot go above 45 mph and have no power to accelerate. When I attempt to force acceleration the car over heats. I have replaced the spark plugs and all the coils are firing just fine. I have also replaced the ERG valve. None of this has solved the problem. If the ERG valve is new what is making it stay open? Could it be an electrical problem?
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