Ping is caused by the timing being too far advanced either becasue it is set to far advanced or the advance system is malfunctioning. Prior to 1996 you can adjust the timing manually but after '96 the computer does it all.
The starter of the 1994 GMC Sierra 1500 pickup is located on the dashboard. It is usually attached by a small wire.
in the top of the gas tank.
4x6
1
The 2007 GMC Sierra-1500 has 16 valves.
The 2010 GMC Sierra-1500 has a V6 engine.
The 2006 GMC Sierra-1500 has 12 valves.
The 2004 GMC Sierra-1500 has 12 valves.
The 2011 GMC Sierra-1500 has a V6 engine.
The 2002 GMC Sierra-1500 has 12 valves.
The 2010 GMC Sierra-1500 has 12 valves.
The 2001 GMC Sierra-1500 has 12 valves.