Question about Buick Century
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Posted on Jan 02, 2017
SOURCE: need buick century egr diagram
If your car runs bad with an EGR code then I would suggest that the EGR valve be replaced. I would like to know what code was set on your computer. It would help greatly. When the EGR malfunctions, you will have rough idle and possible stalling. If you have a code indicating EGR it may also condem the cat converter.Please show any codes that are set. Thanks Moe
Posted on Apr 24, 2009
it has a digatal egr valve remove the egr valve and lean it with top engine cleaner from GM, with a tooth brush, then test the stepper motor with an ohm meter if it mesures more than 6 ohms replace it.
Posted on Jun 21, 2009
Have an auto parts store check for the code. It is possible that you have a bad O2 sensor or your catalytic converter is clogged.
Posted on Apr 10, 2010
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