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.
To change the spark plugs in a 2005 Dodge Stratus, first, ensure the engine is cool and disconnect the negative battery cable. Remove the ignition coil or spark plug wire from each spark plug, then use a spark plug socket and ratchet to unscrew and remove the old plugs. Install the new spark plugs by hand to avoid cross-threading, then tighten them to the manufacturer’s recommended torque. Reconnect the ignition coils or spark plug wires and restore the battery connection.
To change the spark plugs in a 2005 Nissan Pulsar N16, first ensure the engine is cool and disconnect the negative battery terminal. Remove the engine cover if applicable, then locate the spark plug wires and gently disconnect them. Use a spark plug socket and ratchet to remove the old plugs, checking for any signs of wear. Install the new spark plugs, ensuring they are properly gapped, and reconnect the wires and battery terminal.
NGK platinum plugs
To change the spark plugs on a 2005 Cadillac CTS 3.6, first, ensure the engine is cool and disconnect the battery. Remove the engine cover to access the spark plugs, then carefully disconnect the ignition coil connectors and remove the coils. Use a spark plug socket to unscrew the old spark plugs, then install the new ones, tightening them to the manufacturer's specifications. Reassemble by reinstalling the coils and connectors, followed by the engine cover, and reconnect the battery.
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.