Rick's Free Auto Repair Advice

Posts Tagged: p0300 code

P0300 random misfire trouble code

Fix a P0300┬árandom misfire code on a GM or GMC vehicle If you own a Cadillac, Chevrolet, or GMC listed below and have a P0300 code Service Engine Soon Light On, along with evidence of cylinder #1 and #7 showing spark plugs oil fouled or with cracked porcelain, read this post. 2007-2011 Cadillac Escalade, Escalade ESV, Escalade EXT with V-8 built prior to Feb 1, 2011 2007-2011 Chevrolet Avalance, Express, Silverado 1500, Suburban, Tahoe with V-8 built prior to Feb 1, 2011 2007-2011 GMC Savana, Sierra 1500, Sierra Danali, Yukon, … Read More


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