Acceleration smoke
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Acceleration smoke
Sorry guys, so many questions, so little time. I notice yesterday that when I go to pass (heavy acceleration) after cruising on the freeway for extended periods, my ex will let out a moderate amount of black smoke for about 5 sec. Once it clears it wont do it again until I drive for another extended period on cruise control. Is the engine loading up? Is this normal? This is my first diesel and I have the habit of picking apart my vehicles. It still runs great no problems. It does not have a chip and its completely stock. Will the 05e15 recall cure this as well as the start up smoke?
Got Diesel?
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Originally Posted by rosco_p_coltrane
Sorry guys, so many questions, so little time. I notice yesterday that when I go to pass (heavy acceleration) after cruising on the freeway for extended periods, my ex will let out a moderate amount of black smoke for about 5 sec. Once it clears it wont do it again until I drive for another extended period on cruise control. Is the engine loading up? Is this normal? This is my first diesel and I have the habit of picking apart my vehicles. It still runs great no problems. It does not have a chip and its completely stock. Will the 05e15 recall cure this as well as the start up smoke?
Ever seen a semi truck start out from a stop and under hard exceleration the thick black smoke? Your truck is the same... and when the semi gets up to speed or the driver starts off in a less aggressive nature, no smoke.
Enjoy it and use it to lay down a smoke screen when passing motorists you pass and do not like!!! Stink them out anyway!!!
Junior User
Joined: Dec 2004
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From: northeast
i have to disagree black smoke is not normal for your truck. i agree its unburned fuel and u should be burning all the fuel injected into cyl. being a stock no mod. truck. some trucks with mods smoke the great gale banks stated black smoke is no good
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Joined: Apr 2005
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From: Las Vegas, NV
I have a bone stock 05 that will let out a healthy amount of smoke when under heavy acceleration. I think that it is normal. When I'm not accelerating hard it doesn't smoke at all.
It runs way too good to bring it in for the recall.
It runs way too good to bring it in for the recall.
Junior User
Joined: Dec 2004
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From: northeast
my 03/motor 04 f250 reg. cab l.b. while mashing throttle leaving 100ft. of posi. not one puff of unburned fuel ever. thats just my truck i guess
Last edited by antham; Mar 18, 2006 at 07:03 PM.
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Senior User
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From: ABQ NM
Funny you should mention smoke screen...How do you think the diesel tanks in Iraq generate smoke cover?
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From: central iowa
my 03 was doing smoke thing under hard acceleration too. when i took it in for the latest recall on thurs. i mentioned it to the service manager. He said that this recall was clearing up several things but to keep a eye on it and let him know if it still did it. So far it hasnt done it anymore on my truck.
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Joined: Feb 2006
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It is normal for a diesel to let out a bit of black smoke during hard acceleration. A diesel does not adjust timing per rpm it is in a fixed position, so when you step down you are throwing more fuel but not advancing the timing to burn it, such as with a gas engine and ignition system.
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