Mitsubishi Triton 2003 Problems

Are you having problems with your 2003 Mitsubishi Triton? Let our team of motoring experts keep you up to date with all of the latest 2003 Mitsubishi Triton issues & faults. We have gathered all of the most frequently asked questions and problems relating to the 2003 Mitsubishi Triton in one spot to help you decide if it's a smart buy.

Used Mitsubishi Triton review: 1996-2006
By CarsGuide team · 23 Jun 2010
They're still working-class vehicles, but they're now used as family transport and wagons for weekends in the bush or at the beach. The Mitsubishi Triton has been a fixture on the local scene for more than 20 years and has built a large and loyal following.Model WatchThe fourth-generation MK Triton was replaced by the ML model in 2006, but until the ML came along it was the best Triton model that Mitsubishi had released.  It is now the one being sought and bought by used-car buyers.Compared with previous models the MK Triton was quite advanced and, despite its commercial underpinnings, was as car-like as you could get in a work ute.  The Triton range was large with a choice of cab-chassis and ute styles, single cab, club-cab and dual-cab bodies, four-cylinder and V6 petrol engines, a four-cylinder diesel, and two and four-wheel drive.On top of that, buyers could choose from GL, GLS and GLX depending on the level of equipment they wanted.  The base engine was the 97kW 2.4-litre petrol engine that delivered good performance with good torque down low for pulling power. It was a popular choice of gardeners, landscapers, carpenters, plumbers and other tradies.The 133kW 3.0-litre V6 was the best performer, but it came with a fuel economy penalty, a major factor when choosing a car.  Both the petrol engines were LPG-compatible, which increased their appeal on the used market.Initially the diesel engine was a naturally aspirated 2.8-litre unit that was economical but lacked performance. That was addressed in 2003 when Mitsubishi replaced it with a 2.8-litre turbo diesel. Inside, the MK was clearly a member of an older generation and didn't have the room of the new ML. Rear seat room was particularly limited if you wanted it for family use.  The seats were upright and uncomfortable.The Triton had a 10-year lifespan so they now vary from old and worn-out to relatively new.  With that long life they had a number of upgrades, the latest being the best and the ones to look for.In The ShopBecause they have been used for many and varied tasks, it's important to find out as much as you can about your chosen vehicle.  A working vehicle tends to get a much harder time than one used for transporting junior to soccer training at weekends.Check in and around the tray for damage. There are almost always bangs and bumps from loads being tossed in and slung around.  Heavy loads could have caused the suspension to sag so check the condition of springs and shocks.Bodywork should be checked for damage. It easily gets knocked about on the worksite.  Four-wheel-drives need to be checked for heavy off-road use. Generally, they're tough enough to survive moderate use with little to show for it, but if they've been subjected to consistent heavy off-road use you could expect to find damage underneath.Look for battle scars caused by rocks on the body, exhaust and suspension.  Generally the Triton is a tough vehicle and owners experience little trouble. Most problems are minor, such as engine oil leaks.The Triton and other pickups don't have to meet the safety standards that apply to cars so there are generally less safety features built into them.  The Triton was crash-tested and came up with a commendable three-star ANCAP rating. Only later models had airbags available.At The PumpFuel consumption varies tremendously with pickups because of the variation in load, towing and operating conditions.  But expect to get 11-12 litres for 100km for a four-cylinder model, and 13-15 litres for 100km for the V6. 4WDs will be higher.  The most economical will be the diesel, but go for the later turbo diesel, which will deliver a better blend of performance and economy.
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What's the best ute for 4WD and beach driving?
Answered by CarsGuide team · 12 Dec 2003

The trade holds the Hilux up as the best of those you've mentioned. The Toyota turbo diesel is easily the best, but the downside is that you'll have to pay up to $3000 more to get behind the wheel of a Hilux. The others are OK, and all rated equally, but there are plenty of reports from the trade about problems with the Nissan turbo diesel so I'd recommend caution. If you were to consider a Navara, make sure it has an extended warranty for peace of mind.

My 2003 Mitusbishi Triton will turn over but that's it
Answered by David Morley · 16 Sep 2024

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.

Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. Carsguide is not liable for the accuracy of any information provided in the answers.
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