Question about Jeep Liberty

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Smokes black no power fuel knocks

Turbo new all hoses good injectors good

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If we knew what you were working on it would help. what all did you do to it, just a turbo? Is that why you installed a turbo? But lets start with Year, make, model and engine size. Any Mods done to it ? Do you have a BullyDog?

Posted on Dec 09, 2012

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Posted on Jan 02, 2017

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SOURCE: Turbocharger hose and black smoke

hi did you check the turbo,s housing where the turbine is for oil or signs of sooty deposits and when you had the hose off did you check the turbo,s intake pipes for blockages and check the air cleaner as well does the turbo make any wirring noises and is it petrol or diesel paul

Posted on Oct 15, 2008

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SOURCE: 2004 sprinter Black smoke

is the ceck engine light on and if so what codes exist.......a bad resonator or carge air hose can cause the black smoke. where are you located

Posted on Nov 05, 2008

SOURCE: power loss and black smoke?

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.

Posted on Jun 19, 2009

  • 1 Answer

SOURCE: loud diesel knock nissan terrano II head just replaced.

some black smoke comes out when i put foot down and loses power when goiong uphill i have a nissan mistral/terrano 2.7td

Posted on Aug 20, 2009

  • 1 Answer

SOURCE: new turbo diesel L/cruiser engine blowin smoke

Actually, I only want to know if you have your old 1HDT engine for sale???

I need a complete engine

peter.gibb@hotmail.com

Posted on Aug 27, 2009

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2005 diesel smart car starts then dies after a few seconds. changed pump. fuel filter, pressure sensor, cleaned air intake including turbo. Has good fuel pressure. cleaned injectors, have good spray.


black smoke = excessive fuel = bad injector tips , low injector pressure , turbo not working properly
take the car to an accredited diesel specialist professional for a pump pressure and injector pressure test, injector calibration and tip replacement

Sep 16, 2017 | Smart Cars & Trucks

1 Answer

My 1992 nissan terrano blows to much black smoke .how to fix this .some say i have unbirt fuel?


if diesel and turbo , check turbo operation of for holes in the intercooler
if turbo or naturally aspirated check/ replace injector tips as black smoke indicators squirting and not atomizing
if petrol check for excessive fuel pressure, faulty injectors , leaking injector seal
regardless of petrol or diesel --black smoke indicates incorrect air / fuel ratio ( too much fuel) so injectors, intercooler, bad turbo or blocked air cleaner are all candidates for the fault

Dec 04, 2016 | Nissan Terrano Cars & Trucks

1 Answer

Would a faulty egr valve on my 02 PT Cruiser 2.2crd cause excessive black smoke and injector knock under full throttle....thanks


black smoke is over fueling and although the turbo appears to spin ok the vale variation actuator may not be operating correctly
there are vanes in the exhaust turbine housing that are altered to increase the exhaust gas flow onto the turbine blades for quicker acceleration and these vanes are operated by a vacuum actuator and rod by a sensor
the vanes are subject to extreme heat and can rust stuck open or the hose gets hard and cracks
s not allowing the vanes to work
I would be concentrating in this area before the EGR valve
run the fault codes as well to get a better idea of the possible fault as some systems only put the light on for extreme conditions in engine and transmission

Aug 24, 2016 | Cars & Trucks

1 Answer

2006 HYUNDAI Elantra develops heavy black smoke and low pulling power runs 147198kms. Please supply the causes


the cause of the heavy black smoke is un-burnt fuel. is from excessive fuel pressure, faulty injectors,ignition timing out. If it is a turbo operation then the turbo is not producing the correct boost for the fuel settings . Check turbo for vane actuation . low power comes from overfuelling, low air flow. run the fault codes to see which sensors are out of parameter.

Nov 18, 2014 | Hyundai Elantra Cars & Trucks

1 Answer

Saab 9-3 diesel 120, My turbo charger is load and whe given a bit of throttle 2 overtake ect.. lots of black smoke piles out the back and sometimes e turbo will stop workin untill u tur the car of and back...


The turbo will not cause black smoke. White smoke, yes, if its passing oil into the engine, but not black.
First check that the air intake and filter is not blocked, check that the air hoses from the turbo and intercooler are not collapsing when given throttle.if thats ok, then get the injectors tested, if they are ok then you need to get the injection pump serviced. Black smoke is a result of overfuelling, either by the poor dispersal of fuel from the injectors or the pump, or blockage of air into the engine on the intake system.
Hope that helps

Feb 16, 2010 | Saab 9 3 Cars & Trucks

1 Answer

Was on freeway and lost power. trouble restarting but no power and a lot of black smoke and some slight knocking. Left two black soot marks under car at rear and behind turbo or exhaust manifold, car has...


If you have a lot of black smoke then its over fueling getting to much diesel to the cylinder's. Sounds like an injector problem with the slight knocking noise. Che ck the return pipes are not blocked. If the smoke is dark brown then this is a problem with the valves on the intake manifold which control's the intake of exhaust emmisions.

Oct 16, 2009 | 2001 Volkswagen Jetta TDI

2 Answers

Lose of power a little black smoke lose of fuel milage


it sounds like you have a fuel problem. your injectors are spraying too much gas into your engine.it could be a bad injector, an injector o-ring, or even a fuel pressure regulator. is your check engine light on at all?

Sep 03, 2009 | 2004 Volkswagen Jetta

1 Answer

Turbocharger hose and black smoke


Blace smoke is fuel to much of it are you talking about the vaccume line thea goes from the turbo to a tee then the wast gate and a sensor under the air box thenthen up to the bottom of the air box?

Dec 11, 2008 | 1992 Mitsubishi Eclipse

4 Answers

Loud diesel knock nissan terrano II head just replaced.


some black smoke comes out when i put foot down and loses power when goiong uphill i have a nissan mistral/terrano 2.7td

Nov 25, 2008 | 1999 Nissan Pathfinder

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