Code 43.. anyway to check the ESC? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

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Code 43.. anyway to check the ESC?

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07-29-2009, 10:04 AM	#1
CLASSIC87' OL BLUU Join Date: Mar 2004 Location: WICHITA, KS. Posts: 1,065	Code 43.. anyway to check the ESC? Well coming up with a code 43... sounds like either a bad Electronic Spark Control Unit or a Knock Sensor. I replaced the knock sensor awhile back and the problem was still there... any thoughts? Thanks! Anthony __________________ More Drop and pics... whatch'a think?: http://67-72chevytrucks.com/vboard/s...d.php?t=249927 My recent 2wd Blazer progress thread: http://67-72chevytrucks.com/vboard/s...d.php?t=393427 http://67-72chevytrucks.com/vboard/s...d.php?t=394870

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