1999 GMC Other

Engine Mechanical problem
1999 Other GMC Models V8 Four Wheel Drive Automatic 206660 miles

I just replaced the head gaskets and my truck has a hard time starting and when it does it runs rough.
It keeps on giving me a code of P1345, about the cam senor and the crank senor not corroalting. What does this mean? And how do I fix it.
John Bell
November 22, 2009.

It means that they really aren'tseeing each other when they are supposed to. Make sure you have all the wires connected to the proer sensor and havn'e t pinched a wire someplace causing the one to ground out.

Jan 11, 2010.