simpleman69
May 29, 2011, 03:09 PM
I have a 1997 gmc with a 5.7 it was running fine then bang blew the muffler wide open now it won't start back up its got spark and gas timming is good changed the plugs and cap compression is good now what's left
View Full Version : I have a 1997 gmc with a 5.7 it was running good then bang blew the muffler wide open