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Holden Captiva 2007: Why is the engine smoking?

Asked by Shannon

I have bought a 2007 Holden Captiva 2.0 turbo-diesel. I'm dealing with white a smoke issue. The smoke is thick and I can’t drive the car as there is a lot of smoke with the engine either at a hot or cold temperature. The engine light is on and I have replaced the main things, turbo, oil filter, new oil change, checked all hoses for cracks and leaks. Is there anything else to check? There are no engine noises.

Answered by CarsGuide

23 May 2020 David Morley

As a rule of thumb, white smoke from a diesel engine suggests the fuel is not burning properly. If your engine only blew smoke when you first started it up each morning, I’d suggest the glow-plugs weren’t working properly and heating up the combustion chambers to gain a complete burn of the fuel.

But since it’s blowing smoke all the time, I think you could be looking at a fuel-injection problem. The injectors themselves could be bad (and it only takes one dud to make gales of smoke) or the system is mis-timed and not injecting the fuel precisely when it should be. These engines self-analyse themselves as you drive and it seems the car knows it has a problem, because it has turned on the check-engine light as a warning to you that something is amiss. Your first move should be to have the injectors checked as well as the injection timing

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