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 Black smoke
#796113
03/11/07 08:17 PM
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Joined: Mar 2007
Posts: 401
OP
Mudrunner
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Noticed bad black smoke from exhaust pipe <img src="/forums/images/graemlins/scared.gif" alt="" />, after changed gasket set in the fuel pump, fuel filter changed as well. What it could be? Thanks <img src="/forums/images/graemlins/cheers.gif" alt="" />
Fight for Right to drive from Right! www.ivoac.caStay away from Nic's Garage at 120 West 1st Ave in Vancouver BC!!! 
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 Re: Black smoke
[Re: Pajerist]
#796114
03/11/07 11:13 PM
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Joined: Apr 2006
Posts: 1,412
Body Damage is Cool
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When are you getting smoke? A little on hard acceleration, at startup, or all the time?
Some smoke can be normal, I hear. I get none however. Lots of black smoke means unburned fuel, so it could be running rich. Look on the POCUK site for info on turning down the fuel pump. Who did your pump seals? From what I've read, you generally need to get a pump calibrated after it's been worked on.
1991 Mitsubishi Pajero XP TD LWB family hauler.
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Re: Black smoke
[Re: redbull]
#796115
03/12/07 02:01 AM
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Joined: Mar 2007
Posts: 401
OP
Mudrunner
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When are you getting smoke? I drove behind my Pajero and I believe, when my brother shifted the gear and then a little bit with acceleration. Here http://www.maxoverdrive.ca/ changed the gasket set. I would not recommend to go to them. Who needs a reason, please send me a private message and I'll tell you. Put local diesel for 20 bucks and it started! With Japan fuel, with leaking fuel pump it was not at all! Cheers, <img src="/forums/images/graemlins/cheers.gif" alt="" />
Last edited by Pajerist; 03/15/07 02:51 AM.
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Re: Black smoke
[Re: Pajerist]
#796116
03/12/07 04:25 AM
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Joined: Apr 2006
Posts: 1,412
Body Damage is Cool
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A little bit of smoke under acceleration only could be normal. The leaking pump might not have been delivering full pressure, so less fuel. Now, with the repaired pump, you have a rcher mixture.
That's all guessing, not much else to do over the internet. If it really bothers you, take it in to a diesel specialist.
1991 Mitsubishi Pajero XP TD LWB family hauler.
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Re: Black smoke
[Re: redbull]
#796117
03/12/07 06:43 AM
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Joined: Jan 2005
Posts: 1,538
Body Damage is Cool
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my pajero smokes black lots too, only under hard(ish) acceleration and everytime I let the clutch out in 1st gear it leaves a little cloud. black means "partially" unburned fuel, blue is totally unburned fuel, you'll notice on a cold morning its blue. greyish white smoke means burning oil.
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Re: Black smoke
[Re: torquemonster]
#796118
03/12/07 07:29 AM
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Joined: Apr 2006
Posts: 1,412
Body Damage is Cool
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I get none. So little that I'm considering turning up the mix a touch.
1991 Mitsubishi Pajero XP TD LWB family hauler.
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Re: Black smoke
[Re: redbull]
#796119
03/13/07 06:22 AM
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Joined: Jan 2005
Posts: 1,538
Body Damage is Cool
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yah..all I have for exhaust is 2.5" turbo back system and a resonator. no catalytic converer or muffler. it barks pretty good too. and holy hell can I hear the turbo through the exhaust.
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Re: Black smoke
[Re: torquemonster]
#796120
03/13/07 08:02 PM
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Joined: May 2003
Posts: 1,121
Body Damage is Cool
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yah..all I have for exhaust is 2.5" turbo back system and a resonator. no catalytic converer or muffler. it barks pretty good too. and holy hell can I hear the turbo through the exhaust. <img src="/forums/images/graemlins/kewl.gif" alt="" /> The only way to do it
1987 SWB Pajero 2.5 TDI on 31" rubber waiting for a hip replacement and bigger shoes
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Re: Black smoke
[Re: PartyTruck]
#796121
03/13/07 10:04 PM
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Joined: Jan 2005
Posts: 1,538
Body Damage is Cool
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I would like to upgrade it to 3" eventually but I can't justify me actually needing it haha. I would like to cut back on the smoke a little bit, maybe I'll just crank the boost up more.
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Re: Black smoke
[Re: redbull]
#796122
03/14/07 06:11 AM
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Joined: Mar 2007
Posts: 401
OP
Mudrunner
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take it in to a diesel specialist. I did and it is OK now <img src="/forums/images/graemlins/kewl.gif" alt="" /> Thanks for your info <img src="/forums/images/graemlins/cheers.gif" alt="" />
Fight for Right to drive from Right! www.ivoac.caStay away from Nic's Garage at 120 West 1st Ave in Vancouver BC!!!
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