Use a 15 degree offset GM spark plug socket
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The coil pack is located on the passenger side of the motor in a 1996 GMC Sonoma 4.3L Vortec Engine. The spark plugs plug into the coil pack eliminating the spark plug wires.
The spark plugs in a 2003 GMC Sonoma can be changed relatively easily with a socket wrench. However, the spare wheel must be removed from the wheel well to allow access.
AcDelco platinum plug it is already pre gapped to .060 so there is no need to gap them if you have the 4.3 engine. DO NOT USE BOSCH
Remove the spark plug wires from each spark plug. Turn the spark plug out with a 5/8 deep well socket. Reverse the process to install the new spark plugs.
what is the spark plug gap for 2005 gmc envoy 4.2l v6
The 1996 GMC Sierra six-cylinder spark plug gap, is .009. Most spark plugs are pre-gapped by the spark plug manufacturer.
no spark, no start
.096 is the spark plug gap
go to the following link and look up the proper diagram for your engine code: http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c152800bfae4
The recommended spark plug gap is .060"
Spark plug gap should be .060