7.3 white haze
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Junior User
Joined: Jul 2014
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7.3 white haze
Ive been trying to diagnose this problem for a while. My truck 00' 7.3 255k is smoking white. It's not thick its more of a white haze. Sometimes it does it sometimes it doesnt. It has a 6637 intake, exhaust, and wicked wheel. No tuner or such. Im thinking either the turbo is going out or maybe a leaky injector? Just checked the turbo wheel and it has a little side to side play. On start up itll puff white then go away but then under heavy acceleration on occasion there is a haze of white then goes to haze of black. It also feels like the truck is lacking some power. There is no oil in the coolant or coolant in the oil. Not consuming oil or coolant. And there is no excessive pressure coming out of the oil fill.
Elder User
Joined: Aug 2015
Posts: 535
Likes: 3
Id find a way to monitor my boost. That will tell you if your turbo is on its way out. Alittle play in and out is ok, but side to side sound like the bearing. There is a rebuild kit for those. Have you checked for exhaust leaks before the turbo? Black soot on any of the joints or clamps. Stock boots suck, they may be leaking. You need to get a scanner so you can monitor the boost , icp, etc.
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Junior User
Joined: Jul 2014
Posts: 97
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Id find a way to monitor my boost. That will tell you if your turbo is on its way out. Alittle play in and out is ok, but side to side sound like the bearing. There is a rebuild kit for those. Have you checked for exhaust leaks before the turbo? Black soot on any of the joints or clamps. Stock boots suck, they may be leaking. You need to get a scanner so you can monitor the boost , icp, etc.
Junior User
Joined: Oct 2015
Posts: 86
Likes: 1
From: CA
There are numerous Scan Tools which work well. We (7.3L) uses Pulse With Modulation or PWM. Ford used this exclusively from the 70's - 90's on the majority of their applications. As for what is best for you. There are literally 50 options out there. From Computer Based Interfaced, Stand Alone, to Cell Phone and a couple in between. Available new and e-bay alike. Research, research, research.
As for the white smoke at start up. That sounds as though it could be related to an Injector or perhaps a Valve Seat. Especially if it is worsened at the first start of the day.
I would try some Archoil or Hotshot Secret on both the Oil (along with an Oil Change) and Fuel Side additive. I have had several customers trucks that would mosquito fog the lot in the morning. One to the point you literally couldn't see across the lot. Advised them to try this first and all returned only to tell me it had corrected itself and never ran better. Snake oil? I don't know. But, a savings of $3k seemed to appeal to them.
As for the white smoke at start up. That sounds as though it could be related to an Injector or perhaps a Valve Seat. Especially if it is worsened at the first start of the day.
I would try some Archoil or Hotshot Secret on both the Oil (along with an Oil Change) and Fuel Side additive. I have had several customers trucks that would mosquito fog the lot in the morning. One to the point you literally couldn't see across the lot. Advised them to try this first and all returned only to tell me it had corrected itself and never ran better. Snake oil? I don't know. But, a savings of $3k seemed to appeal to them.
Posting Guru
Joined: May 2014
Posts: 1,072
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From: Dustbowl, NV
If they're customers, sounds like you should be charging them an hour diagnosis (to confirm all is well first), then YOU do the oil change and snake oil install.
If things get better, they think you're a genius. If nothing changes, you're still a prince for checking over their junk and making sure all is well.Then you have a 'real' place to start, not a 'ghost' that went away with 'snake oil'.
IMO, you're leaving money on the table by having them fix their own stuff...
If things get better, they think you're a genius. If nothing changes, you're still a prince for checking over their junk and making sure all is well.Then you have a 'real' place to start, not a 'ghost' that went away with 'snake oil'.
IMO, you're leaving money on the table by having them fix their own stuff...
Thread Starter
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Junior User
Joined: Jul 2014
Posts: 97
Likes: 0
There are numerous Scan Tools which work well. We (7.3L) uses Pulse With Modulation or PWM. Ford used this exclusively from the 70's - 90's on the majority of their applications. As for what is best for you. There are literally 50 options out there. From Computer Based Interfaced, Stand Alone, to Cell Phone and a couple in between. Available new and e-bay alike. Research, research, research.
As for the white smoke at start up. That sounds as though it could be related to an Injector or perhaps a Valve Seat. Especially if it is worsened at the first start of the day.
I would try some Archoil or Hotshot Secret on both the Oil (along with an Oil Change) and Fuel Side additive. I have had several customers trucks that would mosquito fog the lot in the morning. One to the point you literally couldn't see across the lot. Advised them to try this first and all returned only to tell me it had corrected itself and never ran better. Snake oil? I don't know. But, a savings of $3k seemed to appeal to them.
As for the white smoke at start up. That sounds as though it could be related to an Injector or perhaps a Valve Seat. Especially if it is worsened at the first start of the day.
I would try some Archoil or Hotshot Secret on both the Oil (along with an Oil Change) and Fuel Side additive. I have had several customers trucks that would mosquito fog the lot in the morning. One to the point you literally couldn't see across the lot. Advised them to try this first and all returned only to tell me it had corrected itself and never ran better. Snake oil? I don't know. But, a savings of $3k seemed to appeal to them.
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Junior User
Joined: Jul 2014
Posts: 97
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As for montioring i was thinking about spending the money and getting a evolution cts2. Are they any good on the 7.3's? Will i be able to moniter everything that is vital to the motor and maybe diagnose the problem im having now?
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