Black smoke coming and power loss. - 2005 Mitsubishi Space Star

Looks fun. If you have smoke coming from the exhaust it could be one of three problems. First, if it is black smoke that would indicate too much fuel. Possible cause-carburetor. Second, if the smoke is white possible cause is water or coolant in the system. Possible head gaskets . Third, if blue smoke,excessive oil usage.

Check your air filter. Might be clogged / dirty. Replace if needed. Loss of power is due to leaky fuel injectors or fuel pressure regulator.

Needs piston rings. You have lost compression so you are losing power. The oil is getting pasty the worn rings and entering the combustion chamber which would explain the black smoke and loss of power.

Sounds like one or two of the many sensors may have failed,. Like everyone else said... scan it...good luck.

and your car is_______year___

What year, make and model car is this? Most likely, black smoke is
usually a carburator problem. If it's fuel injected, black smoke can be caused by 1) leaking or faulty fuel injecters, 2) faulty choke, 3)dirty air
filter or 4) faulty distributor cap and/or rotor. Hope this helps.

hi david.
see if this link helps you find out what is wrong.
Black smoke and loss of power from 2003 landrover freelander Google Search

Black smoke is a sign of an overly rich fuel/air mixture. White smoke is a sign of coolant entering the combustion chamber. Most likely you have a blown head gasket. Other symptoms are loss of coolant with no apparent leak, loss of power, miss, oil level overfull, a white foamy substance on the underside of the oil fill cap. Stop driving this truck until you find the problem. Driving it with a blown head gasket will destroy the engine. A compression test will verify this.

I had a similar issue to this after I got in a VERY small fender bender (literally) in an 87 Turbo Supra. In my case, my pasenger fender got pushed in JUST enough to crack a charge pipe and cause a boost leak.

Basically, what was happening was the turbo would spool and build boost, the mass fair flow sensor would read all this air coming in and tell the ECU to dial up the the appropriate amount of fuel. When the air reached the cracks in the charge pipe, it would escape out of them. Thus there was a much lower air-to-fuel ratio, causing less fuel to combust, which lead to power loss and black smoke out of the exhaust.

My guess is either an oxygen sensor, or more likely a boost leak.

Good luck mate.