remove upper intake plenum
To access the spark plugs on a 2000 Mitsubishi Diamante V6 3.5L, you need to first remove the engine cover by unscrewing the bolts or clips holding it in place. The spark plugs are located underneath the cover, along the top of the engine. Use a spark plug socket and extension to remove and replace the spark plugs carefully to avoid damaging the threads.
you have to remve the intake manifold
The IAC valve is mounted on the upper intake plenum (manifold)
intake nut 89lb .in stud 106.lb.in plenum is 25nm
Correct torque on 2000 model : 18 Ft. lbs.- upper intake manifold [ plenum ].
The car engine air filter is below the intake plenum. remove the plenum to the throttle body and underneath to the actual air filter housing. Pull back the three quick clips and there it is.
under top plenum on 3.1 engine at intake manifold.
To remove the plenum on a 2000 Jaguar XK8, first ensure the engine is cool and disconnect the battery. Remove any necessary components that obstruct access, such as the air intake duct and throttle body. Next, unbolt the plenum from the engine, carefully lift it off, and disconnect any vacuum or electrical connections. Always refer to a service manual for specific torque settings and procedures for your vehicle model.
under the intake plenum for the fuel injection. Not an easy job to do for the back yard mechanic.
ECM is located on drivers side, below the base of the windshield underneath the plenum. You have to remove plenum panel for access.
its on the right side of the throttle body where the plenum hose goes into the intake manifold