My 6.0 has three codes...

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Aug 17, 2011 | 03:26 PM

4bigred

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Cross-Country

Joined: Jan 2008

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My 6.0 has three codes...

We just got back from vacation and I took the truck into AutoZone to get the codes read. It has P0478, P0299, and U1900 codes. It threw a check engine the first day out, but I wasn't concerned b/c it's done it before when we've towed our 5th wheel (P0299). I get lazy and run it on cruise. We're running pretty light (about 8000#) and I didn't notice any performance issues except for some low speed surging (Tow/Haul on). No smoking or hard starts. After the check engine light came on I tried to keep the turbo at 20# or under. We went 3779 miles with over 85% of that towing. Went over 6 passes of up to 9400 ft. towing and probably as many light. We averaged 12.1 mpg on paper, so no fuel consumption issues either. All temps ran in the normal range. Are these anything to be worried about?

Aug 17, 2011 | 07:59 PM

Kajtek1

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Joined: Apr 2006

Posts: 3,524

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From: CA Bay Area

P0478 Exhaust Pressure Control Valve High
P0299 turbo underboost
U1900 - Communication bus fault
The first thing I would check is restriction in the exhaust.
How old is the turbo?

Aug 17, 2011 | 08:21 PM

powerstroke72

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Joined: Oct 2005

Posts: 24,308

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From: SW Virginia

Moved to the 6.0L Powerstroke Diesel forum.

Aug 17, 2011 | 08:25 PM

2006powerstroke90

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Joined: Nov 2010

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Quote:

Originally Posted by powerstroke72

Moved to the 6.0L Powerstroke Diesel forum.

Man is your 6.7 beautiful. Congrats!

Aug 17, 2011 | 08:38 PM

bismic

Fleet Owner

Joined: Nov 2003

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Start by pulling the EBP sensor and cleaning the tube.

Aug 17, 2011 | 08:39 PM

powerstroke72

Super Moderator

Joined: Oct 2005

Posts: 24,308

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From: SW Virginia

Quote:

Originally Posted by 2006powerstroke90

Man is your 6.7 beautiful. Congrats!

Thanks my friend. I miss my '05 6.0 but this thing is amazing.

Aug 17, 2011 | 08:49 PM

2006powerstroke90

Logistics Pro

Joined: Nov 2010

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Quote:

Originally Posted by bismic

Start by pulling the EBP sensor and cleaning the tube.

Beat me to it, I was to busy drooling over John's 6.7

Quote:

Originally Posted by powerstroke72

Thanks my friend. I miss my '05 6.0 but this thing is amazing.

I could only imagine!

Alright im done Hijacking...Sorry OP

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Aug 18, 2011 | 02:35 PM

2006powerstroke90

Logistics Pro

Joined: Nov 2010

Posts: 3,673

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Its located on the driver side exhaust manifold.

It comes right off the manifold up a pipe to a sensor. Cant miss it. Easy to take off and clean and/or replace.