The 2001 Jaguar S-Type V6 uses spark plugs powered by coil over plugs instead of spark plug wires and a distributor system. When the spark plugs fail or malfunction, it's usually because they're worn out. Replacement plugs are available from most auto parts stores. Checking and replacing them every 30,000 miles is necessary so that your Jaguar's engine achieves optimal fuel economy and horsepower output.
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Things you need
- Socket wrench
- Socket set
- Spark plug socket
- Socket extension
- Phillips head screwdriver
Open the bonnet and unscrew the hose clamp securing the air intake tubing to the throttle body and pull the intake tubing off of the throttle body.
Unbolt the intake manifold bracket bolts and mounting bolts with a socket wrench and pull the manifold off.
Unplug the electrical connector on the coil over plugs that feed power to the spark plugs.
Pull the coil over plugs out of the engine.
Unbolt the spark plugs underneath the coil over plugs with a socket wrench and spark plug socket and pull the spark plugs out of the plug wells.
Insert the new spark plugs, thread them without the use of the socket wrench. Once the first few threads are started, tighten the plugs with a socket wrench. The rest of the installation is the reverse of removal.
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