Black smoke/lack of power

1996 Mitsubishi Pajero Problem

The Problem

Avatar Curt
Joined: 5 months ago | Fixes: 4 | Profile
About

Hi everyone iv got a 2.8 pajero when i pull off my car pauses then takes off it dose this while I'm driving if I accelerate it pauses then takes off but have thick black smoke. Turbo is ok no noose or play in shaft has any one got any ideas.


Car Mitsubishi Pajero
Variant 2.8 auto
Model Year 1996
More All Mitsubishi Pajero Problems & Faults

Solution

Avatar whittingehame
Joined: 9 years ago | Fixes: 12,062 | Profile

Scan it for fault codes .

Question

Avatar Curt
Joined: 5 months ago | Fixes: 4 | Profile

Thought the engine management light got to be on to check for things like that.

Solution

Avatar whittingehame
Joined: 9 years ago | Fixes: 12,062 | Profile

Black Smoke - is really just an imbalance in the air to fuel ratio - too much fuel to not enough air. This means either too much fuel is being added to the mix or there's not enough oxygen being supplied to burn the fuel.
Most common causes of black smoke are faulty injectors, a faulty injector pump, a bad air filter (causing not enough oxygen to be supplied), a bad EGR valve (causing the valves to clog) or even a bad turbocharger.

Question

Avatar Curt
Joined: 5 months ago | Fixes: 4 | Profile

Iv been told common fault is some valves on the bulk head but which one iv got 4

Solution

Avatar paulieone
Joined: 10 years ago | Fixes: 1,666 | Profile

check all the vacuum pipes to them for sign of perishing

Question

Avatar Curt
Joined: 5 months ago | Fixes: 4 | Profile

Iv checked pipes they are ok iv been told to disconect one but which one do I disconect there's 4 of them

Solution

Avatar paulieone
Joined: 10 years ago | Fixes: 1,666 | Profile

trace the vacuum pipe back to the turbo

Question

Avatar Curt
Joined: 5 months ago | Fixes: 4 | Profile

Iv noticed with my problem as well it only dose it when engine at normal running temperature

Solution

Avatar paulieone
Joined: 10 years ago | Fixes: 1,666 | Profile

It could well be the injectors are out of spec

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