WHITE SMOKE
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Senior User
Joined: Nov 2012
Posts: 120
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From: Yucca Valley
WHITE SMOKE
Ok heres another white smoke question. Left for work today noticed a little smoke when giving it power, my trip is mostly highway so I was going between 60-70.On my way home it was blowing alot of smoke when just coasting or on cruise control it was white when I gave it some juice it was black. I got home changed my oil and filter fuel filters are new and I have no codes. After I changed the oil I took it around the block on first start up it was smoking and just continued to get worse and worse as I drove around getting it up to temp. the smoke was bluish white by the time I parked, I pulled the egr it wasn't damp or clogged and I have no codes, My ficm is between 48-49 any one got a clue.
Laughing Gas
Joined: Mar 2012
Posts: 1,052
Likes: 28
From: Portal, AZ
Potentially an injector stuck open! Try not drive it if at all possible
Do bubble test--
The I had is broken so hear is a brief description:
Take off fuel filter cap
remove filter
Turn key to on position to fill fuel bowl
Crank engine w/o starting it
if bubble present then bad injector(s) present
remove glow plugs one at a time after each one removed look for bubbles to go away. When they do that is a faulty injector.
Leave that one out replace all glow plugs run test again
If bubble are still present repeat above steps until bubbles are no longer apear.
Here is the thread where I first learned all this
https://www.ford-trucks.com/forums/1...-no-codes.html
Do bubble test--
The I had is broken so hear is a brief description:
Take off fuel filter cap
remove filter
Turn key to on position to fill fuel bowl
Crank engine w/o starting it
if bubble present then bad injector(s) present
remove glow plugs one at a time after each one removed look for bubbles to go away. When they do that is a faulty injector.
Leave that one out replace all glow plugs run test again
If bubble are still present repeat above steps until bubbles are no longer apear.
Here is the thread where I first learned all this
https://www.ford-trucks.com/forums/1...-no-codes.html
Last edited by lupuseven; Nov 4, 2013 at 11:36 PM. Reason: Forgot a step
Thread Starter
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Senior User
Joined: Nov 2012
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From: Yucca Valley
Sorry for not responding the coolant level is normal no loss at all. Im going with a bad injector. I got to clean my garage before I starting pulling things apart, I scheduled a power balance test with ford but I think I will try tearing into it first should I replace the o rings on my injectors while im that deep into it?
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Senior User
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From: Yucca Valley
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Elder User
Joined: Jul 2013
Posts: 623
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From: Tuttle, OK
If its excess fuel from a stuck injector, you can see fuel where the exhaust manifold meets the block. Just crawl under it and take a look. I just went through this myself. When I saw the smoke and it got worse, as soon as I got home I looked and cyl. 5 had fuel that had seeped out at the manifold.
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Hotshot
Joined: Apr 2010
Posts: 19,055
Likes: 235
From: Saratoga Springs,UT
yes pull the glow plugs
Install 1 GP at a Time test that cylinder then remove and repeat
or keep the gp out on cylinders that cause bubbles
Just so incase there is 2 bad inject they wont get confussed or missed
and Yes I would Rering all 8 injectors and replace bad injector with OEM
those inject orings do wear to its good to change them I believe it helps a lot when trucks cold they seem to leak fuel until warm on some
Install 1 GP at a Time test that cylinder then remove and repeat
or keep the gp out on cylinders that cause bubbles
Just so incase there is 2 bad inject they wont get confussed or missed
and Yes I would Rering all 8 injectors and replace bad injector with OEM
those inject orings do wear to its good to change them I believe it helps a lot when trucks cold they seem to leak fuel until warm on some
Hotshot
Joined: Apr 2010
Posts: 19,055
Likes: 235
From: Saratoga Springs,UT
If its excess fuel from a stuck injector, you can see fuel where the exhaust manifold meets the block. Just crawl under it and take a look. I just went through this myself. When I saw the smoke and it got worse, as soon as I got home I looked and cyl. 5 had fuel that had seeped out at the manifold.
Worth a look for shure
However the injector would have to be really bad to see fuel running out the manifold
he maynot see fuel running out with say an inject just starting to let go
Severity of Fail may Play into things
Elder User
Joined: Jul 2013
Posts: 623
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From: Tuttle, OK
Just key it on while cold, the cyl. will get good and wet, then crank it a few times and crawl under and look.
Hotshot
Joined: Apr 2010
Posts: 19,055
Likes: 235
From: Saratoga Springs,UT
Ya it might also be the Case where In Addition to a Leaky Injector the Exhaust manifold would Also have to be bad and Leak
IMO you would have to have 2 Bad Parts to see fuel running out the Manafold
IMO you would have to have 2 Bad Parts to see fuel running out the Manafold