Question about 1999 Buick LeSabre
Flash is misfire than steady is fault code misfire can be from anything from air cleaner clogged to mass air flow sensor to pcv valve,vacuum leak etc u already changed egr need to have scanned for more specific code code number breaks down to emissions mechanical and or manufactures specific code
Posted on Oct 07, 2009
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Posted on Jan 02, 2017
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