Mitsubishi Repair Problems? Ask a Mechanic for Answers ASAP
The first thing you need to do will be to pull all the plugs and check the spark plugs. If the plugs look good, do a compression test on all 6 cylinders and post the pressure readings for each cylinder so I can see what the engine is doing please. I need to know the exact pressure for each cylinder so wright down the readings as you take them please.
Yes the intake will have to be removed to get to them.