firststep
8/9/2006 8:18:25 AM
I have a 1994 Chevy Blazer with the service engine soon light on. It is running OK both Code 43 comes up and I can't find out why. Can someone hrlp me with Code 43?
Thank You
robert8868
8/12/2006 3:10:54 PM
hi a code 43 means either low voltage at ECM terminal L ,only (carbureted models), or this, knock sensor circuit faulty, good luck,