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My 2003 Mitusbishi Triton will turn over but that's it

Asked by Helen

My old (2003) Mitsubishi Triton petrol V6 4x2 will crank over but that’s it. I’ve checked the basics to no avail but am wondering (before spending money) whether this engine is prone to any problems. Also, I can’t get it into fifth gear without a growing effort. From the history of the previous owner and myself, services have been regularly done. Is it time to bid farewell and move on?

Answered by CarsGuide

16 Sep 2024 David Morley

You say you’ve checked the basics, but it’s worth taking a close look at electrical connections that form the basis of the car’s ignition system. Are all the plug leads properly connected? Is the high-tension lead form the distributor to the coil secure and the coil wires correctly hooked up? Any fault with these things can cause a no-start situation.

The other prime suspect in a car of this age would be the electric fuel pump. These usually live inside the fuel tank and have a very finite lifespan. If you can’t hear the pump humming when you turn on the ignition, it’s probably dead and could well be the cause of your problem.

Beyond that, there are a lot of things that could be the cause here, but many of them are cheap and simple to fix once you’ve diagnosed the issue. It’s worth having the car checked over in case it is something really simple (and inexpensive). The Mitsubishi V6 is pretty good unit and if you’re happy with the rest of the vehicle (and it sounds like you are) then fixing the problem and squeezing every last kilometre out of the thing is the way to go.

The confounding element, of course, is that fifth gear is getting hard to engage. This could be a simple linkage adjustment problem, low clutch fluid or it could be a worn out clutch. Again, though, a proper diagnosis should be your next step before deciding whether to repair or sell and move on.

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