Not Working....

By beretta01
March 29, 2007 in Ask A GM Technician

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beretta01

Posted March 29, 2007

Well, I got the SES light about 5 days ago and a friend got the error codes and said the EGR Valve and Oxygen Sensors were both messing up? Anything that could cause both of these to malfunction at the same time? I have really sluggish acceleration(I guess due to the fact that the factory settings kicked in because the oxygen sensor was shot and set the mixture really rich) Thanks for your help!

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