if 4.2 inline six, remove two bolts on pas side holding down plastic air intake part leading to throttle body and slack off the clamp, lift plastic piece up watch the rubber hose connected under it in front. now, you should see the coils. they are held down by on bolt each the coil has a boot connected to it (no spark plug wires) lift up and the plugs are down inside. do one at a time and dont over torq them
How to change the spark plugs
Disconnect the battery, remove the spark plug cables and boot, and remove the old spark plugs. Put in the new spark plugs, attach the cables and boots, and connect the battery.
what is the spark plug gap for 2005 gmc envoy 4.2l v6
Changing spark plugs is relatively easy. Disconnect the batter and spark plug cables, and remove the old spark plugs. Next replace the spark plugs with new ones, reconnect the spark plug cables and battery.
Disconnect the battery, remove the spark plug cables and boots, and remove the old spark plugs. Put in the new spark plugs, attach the boots and cables, and connect the battery.
NGK platinum plugs
Replacing the plugs is fairly easy. Just remove the plastic engine cover then unbolt and remove the 4 coils. Once removed you need to look down and you will see the plugs that need to be removed with a spark plug socket.
remove the high voltage wires that connect to the top of the plug. take a spark plug socket, or a regular socket if you don't care and take out the plugs
You must remove the entire intake manifold for you to have access on the three spark plugs located underneath it. it is advisable that a qualified Mitsubishi technician should do this.
Both V6 engines have 6 spark plugs
yes - 8 spark plugs for a gas V8 engine
( 6 ) spark plugs