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I have no power and black smoke when accelerates, fault

Customer Question
I have no power...

I have no power and black smoke when accelerates, fault showed as brake light switch which has now been replaced but still no power

Mechanic's Assistant: Is the power loss consistent, or does it fluctuate?

To begin with i was just like missing a bit when accelerating but now i can only drive about 35mph and its going through alot more fuel

Mechanic's Assistant: What is the model/year of your Mitsubishi?

Outlander warrior 2007

Mechanic's Assistant: Are you fixing your Outlander yourself? What have you tried so far?

The engine light came on and it was just missing a bit when accelerated, diagnostics said brake light switch which was replaced today but then very black smoke started when he revved it up so he thought it must be egr valve

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Its had a new water pump, timing belt etc in june

Submitted: 7 months ago.Category: UK Car
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Answered in 3 minutes by:
12/15/2017
UK Auto Mechanic: Jared D, ASE Certified Technician replied 7 months ago
Jared D
Jared D, ASE Certified Technician
Category: UK Car
Satisfied Customers: 2,269
Experience: Shop Supervisor at County Fleet
Verified

Good morning,

Black smoke is fairly uncommon on a gasoline engine. It's normally only caused by a large amount of un-burned fuel. Unless your outlander is a diesel. I see you are from the UK, we don't have a diesel version of the Outlander here in the US.

Which engine do you have in your vehicle?

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Customer reply replied 7 months ago
diesel
Customer reply replied 7 months ago
its a 2.0L diesel engine
UK Auto Mechanic: Jared D, ASE Certified Technician replied 7 months ago

Ok. In that case the most likely cause would be a plugged fuel injector. If an injector hangs open for too long then it will cause a ton of black smoke when the unburned fuel hits the exhaust system. When you checked for trouble codes you didn't see anything fuel related?

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Customer reply replied 7 months ago
no apparently not
UK Auto Mechanic: Jared D, ASE Certified Technician replied 7 months ago

My reference material doesn't cover the diesel engine, so I have very little to send you, but essentially you will need to determine which cylinder is low on power and address any fuel injector or glow plug related issue. If you aren't seeing any trouble codes for fuel issues, then I would suspect it isn't severe enough to detect a misfire, so your first steps might be to try a fuel system cleaner to see if you can loosen up the blockage.

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Customer reply replied 7 months ago
thanks anyway but i think it may be the erg valve as ive looked it up and all the syptoms point towards that so i will get it replaced and see how i go. As you dont cover diesel engines i assume i will get a refund?
UK Auto Mechanic: Jared D, ASE Certified Technician replied 7 months ago

I cover diesels, just not the UK models.

I'll go ahead and opt out and see if there are any UK car experts with some better mitsubishi diesel info.

If no one picks up the question you might consider contacting customer service for a refund. As experts we don't see that side of the site. We don't work directly for Just Answer.

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UK Auto Mechanic: Kevin, UK Car Mechanic replied 7 months ago
Kevin
Kevin, UK Car Mechanic
Category: UK Car
Satisfied Customers: 3,040
Experience: Diagnostic technician at vw /audi specialist
Verified

Hi im kevin do you still need assistance. Im a uk tech

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