Mitsubishi Challenger diesel acceleration problems

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My Mitsubishi Challenger diesel is having problems with breaking down under acceleration. It feels a bit like a faulty lead or spark plug (I know a diesel doesn't have spark plugs). I have changed the suction control valve but I’m still having the same problem. What do you think the problem could be?

You’re probably right in thinking there’s a problem in the fuel system, but simply changing bit and pieces you think might be the cause is a great way to waste money replacing parts that turned out to be perfectly good, leaving you with the same problem. Take the vehicle to a diesel specialist. The cause could be dozens of things from fuel-pump wear, a dirty fuel filter, a clogged intake manifold, blocked lines and worn fuel injectors. And more.

A specialist diesel shop will be able to take the guesswork out of a diagnosis and will almost certainly save you time and money.

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