Saturday, January 14, 2012

Codes 23 and 32 came up in my ruff running 94 GMC 4.3 Vortec. I already changed EGR and it still runs bad?

check a couple of things. the 02 sensor and the fuel pump regulator. either 1 of those can make it run rich.
Posted by Jeanie Bregman at 9:43 PM

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