My 99 Yukon will not start after cranking.I do not hear the humming of the pump when I turn the key.I have replaced the pump relay but no start
Saturday, November 24th, 2012 AT 2:51 AM
Make sure the fuel pressure is within spec and check for a hot blue snapping spark to the plugs. One will be missing. NOTE: Even though you hear the fuel pump. It may not be producing enough pressure to run the engine.