you have to remve the intake manifold
If your Diamante is the Dohc 6 cyl. motor in it then you have to remove the entire intake manifold to replace the back 3 plugs I did it in about 4 hours with not many tools and I am a female. So it can be done.
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.
2002 galant , can't find the spark plugs
Think you might have to take off the intake manifold, it a process
6 spark-plugs.....
its probably the spark plugs, they need to be changed i have an 03 diamante and the same thing was happening to me. I had the spark plugs changes and the problem was solved.
Every 30,000 miles except platinum plugs
how to change number 6 spark plug on a 2006 mitsubishi galant
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.
To change the spark plugs on a 2000 Mitsubishi Lancer, first, ensure the engine is cool and disconnect the negative battery terminal. Remove the ignition coil or spark plug wires to access the spark plugs, then use a spark plug socket and ratchet to unscrew and remove the old plugs. Check the gap on the new spark plugs, install them carefully, and torque them to the manufacturer's specifications. Finally, reconnect the ignition components and the battery terminal.
NGK platinum plugs
when do you change spark plugs