White Smoke/ Black smoke no power - Diesel Forum - TheDieselStop.com
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99 & up 7.3L Power Stroke Engine and Drivetrain Discussion of the 99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

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Old 11-21-2012, 02:40 PM   #1 (permalink)
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White Smoke/ Black smoke no power

Hi guys,

My 99 F250 with 7.3 just started blowing white smoke and when under load was billowing black smoke. The EBPV was working this AM as it was cold enough to activate. I pulled out of the driveway and that is when the fun started. It threw a P0113 and P0470 code. I was thinking EBPV sensor so I cleaned that and the tube and have now disconnected the EBPV solenoid connector at the pedestal.

Running in the garage, I cannot get it over 1800 RPMs before it stumbles and spews white smoke.

It has a stock tune, 4"MBRP exhaust and a tymar intake.

I am going to NAPA to get a fuel filter as my kid ran it practically out of fuel and this was a week after he lost the fuel cap allowing water in fuel (argggh). I put a filter in then, seafoamed and it has been fine for 2 plus weeks though.

Any thoughts would be appreciated!
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Old 11-24-2012, 10:37 PM   #2 (permalink)
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Smoke

Your fuel pump in the rail is most likely not working
They will start run revup and smoke like madd
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Old 11-25-2012, 09:21 AM   #3 (permalink)
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Originally Posted by 99_6speed View Post
seafoamed and it has been fine
Sorry to get away from your problem. But I couldn't help but ask. How long have you seafoamed your truck? I was told that it is a big NO NO on 7.3 & 6.0s due to the high psi run through the HEUI systems. I'm just trying to figure it out as I love seafoam and I use it every so often.


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Old 11-25-2012, 02:32 PM   #4 (permalink)
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Originally Posted by 2002greyduty View Post
How long have you seafoamed your truck? I was told that it is a big NO NO on 7.3 & 6.0s due to the high psi run through the HEUI systems. I'm just trying to figure it out as I love seafoam and I use it every so often.
You aren't going to hurt your injectors by using seafoam occaisionally. It's just diesel fuel in a slightly different form, and these things will run on just about anything.

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Originally Posted by 99_6speed View Post
It threw a P0113 and P0470 code.
The P0113 code indicates a problem with the intake air sensor circuit - either a high resistance or open circuit or a problem with the sensor. That's what tells the EBP system to activate or not, so might be connected with your problem. The IAT sensor also controls the cold idle setpoint (raising idle speed under colder ambient temps.)

But the fact that you're limited in rpm and get white smoke when you mash the go-pedal points to a fuel issue. Either the pump is dead as wrenchead mentioned, or there's a serious obstruction upstream of the pump (filters screens plugged in the fuel tank pickup unit.)

The P0470 code is an EBP sensor circuit problem, either the sensor itself or the wiring.
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Old 11-25-2012, 05:43 PM   #5 (permalink)
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Originally Posted by klhansen View Post
You aren't going to hurt your injectors by using seafoam occaisionally. It's just diesel fuel in a slightly different form, and these things will run on just about anything.
Well I pretty much got scolded for even thinking about doing it in another forum. I didn't see any harm in it but I thought they knew something I didn't. Thanks for the reply.


Probably sent while fueling up the pig.
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