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Why is the engine in my 2010 Ford Ranger losing power?

Asked by Yander

When I'm driving my 2010 Ford Ranger and I want to accelerate, the engine loses power and it takes time to pick up normal speed. What’s the cause? Is it the injector pump or turbo?

Answered by CarsGuide

31 Aug 2020 David Morley

It could be the either the turbocharger or the injector pump at fault here. But equally, it could be an intake system blocked with oil and soot residue, a clogged exhaust system, worn or blocked fuel-injectors, a dirty air-filter, poor fuel quality. It could even be a dud sensor somewhere on the engine or even an electronic fault within the on-board computer. It might even be an engine that has worn out internals.

The first thing I’d do is interrogate the on-board computer to see if it offers up any fault codes that could be used to diagnose the problem. From there, it’s down to checking the mechanical stuff like the condition of the turbocharger (particularly its bearing) and even performing a leak-down and compression test to get an idea of the condition of the engine.

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