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#4486047 - 08/11/17 08:00 PM Odd engine msg on Powerstroke
Donald Offline


Registered: 03/21/04
Posts: 20468
Loc: Upstate NY
Drove several (6) hours and was driving on a side street and received an "reduced engine power" msg. No other indicators, plenty of fuel and DEF. It had plenty of time driving to do any needed regens.

Obviously Powerstroke engine in F250.

I do not have owners manual with me.
_________________________
2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)


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#4486049 - 08/11/17 08:02 PM Re: Odd engine msg on Powerstroke [Re: Donald]
Colt45ws Offline


Registered: 08/15/06
Posts: 9648
Loc: Central Washington
2015? Take it to a dealer.
_________________________
-Colton
2002 Ford Crown Vic PI 207k, Ex-Kootenai County, ID Unit #42
Down for engine swap
2003 Ford Crown Vic PI 75k
Castrol EDGE HM 5W30, Fram XG2

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#4486061 - 08/11/17 08:17 PM Re: Odd engine msg on Powerstroke [Re: Donald]
SilverFusion2010 Offline


Registered: 06/29/11
Posts: 1663
Loc: Crawfordville FL
Unless you have a scan tool you'll need a dealer. Computer is seeing something it doesn't like and cutting output it sounds like.

Alternatively, you could dump some fuel system cleaner in the tank and go flog oggin until you burn out the unhappy or get the message to come on and stay on.
_________________________
2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30

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#4486067 - 08/11/17 08:19 PM Re: Odd engine msg on Powerstroke [Re: Donald]
PeterPolyol Offline


Registered: 03/06/16
Posts: 1345
Loc: toronto
heh "Reduced-Powerstroke"
Gotta be some kind of protection mode, perhaps the ATF or some othe temperature crossed a threshold or something

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#4486072 - 08/11/17 08:27 PM Re: Odd engine msg on Powerstroke [Re: Donald]
mbacfp Offline


Registered: 09/02/15
Posts: 837
Loc: California
Might be one of the Egt sensors...that would be my guess.
_________________________
2014 F-550 PSD..........M1 Delvac ESP 5w-40 + OEM
2018 Dodge Charger SRT Hellcat
2012 Toyota Sienna LTD 3.5L V6
2003 Dodge Durango R/T 4x4 5.9L V8

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#4486074 - 08/11/17 08:29 PM Re: Odd engine msg on Powerstroke [Re: Donald]
mbacfp Offline


Registered: 09/02/15
Posts: 837
Loc: California
I know 2 of them give that message and the one before the DPF will shut truck off. I think the DEF sensor also does that. Hope it is that easy.
_________________________
2014 F-550 PSD..........M1 Delvac ESP 5w-40 + OEM
2018 Dodge Charger SRT Hellcat
2012 Toyota Sienna LTD 3.5L V6
2003 Dodge Durango R/T 4x4 5.9L V8

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#4486085 - 08/11/17 08:39 PM Re: Odd engine msg on Powerstroke [Re: Donald]
Donald Offline


Registered: 03/21/04
Posts: 20468
Loc: Upstate NY
DPF level is above.

While I saw the msg, I did not notice anything. Engine and transmission temp were fine.
_________________________
2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)


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#4486107 - 08/11/17 09:19 PM Re: Odd engine msg on Powerstroke [Re: Donald]
2015_PSD Online   content


Registered: 09/26/10
Posts: 7242
Loc: SE Texas
I hope you have an extended warranty. It may be something as simple as a sensor, but if it is anything else, you are looking at $$$$. There have been cases where the DEF pump has failed that causes the reduced power message, but even that will be 2Kish.
_________________________
2018 MB AMG GLC43 3.0L Coupe - M1 0W-40/OEM
2018 MB C300 2.0L - M1 0W-40/OEM
2015 F-250 6.7L PS Diesel - Delo 5W-40/CQ Blue
2014 Explorer 3.5L Limited - M1 AFE 0W-20/FU

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#4486110 - 08/11/17 09:25 PM Re: Odd engine msg on Powerstroke [Re: Donald]
Donald Offline


Registered: 03/21/04
Posts: 20468
Loc: Upstate NY
Engine is under power train warranty still.
_________________________
2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)


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#4486127 - 08/11/17 09:38 PM Re: Odd engine msg on Powerstroke [Re: Donald]
Colt45ws Offline


Registered: 08/15/06
Posts: 9648
Loc: Central Washington
Originally Posted By: Donald
Engine is under power train warranty still.

Yeah, let Ford sort it out. There are 1000 things that could be causing the ECM to reduce power.
_________________________
-Colton
2002 Ford Crown Vic PI 207k, Ex-Kootenai County, ID Unit #42
Down for engine swap
2003 Ford Crown Vic PI 75k
Castrol EDGE HM 5W30, Fram XG2

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#4486161 - 08/11/17 10:16 PM Re: Odd engine msg on Powerstroke [Re: Donald]
motor_oil_madman Offline


Registered: 11/29/09
Posts: 4858
Loc: Houston, Texas
Gonna be interesting to see what happens when these trucks get out of warranty. End up with 3 year old trucks in the junk yard because it needs a 15,000 dollar exhaust system or something.
_________________________
2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.


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#4486168 - 08/11/17 10:27 PM Re: Odd engine msg on Powerstroke [Re: Donald]
2strokeNorthstar Offline


Registered: 07/19/17
Posts: 274
Loc: PR CA, USA
At least the VW's won't be lonely. The diesel advantage has become non existent with all the EPA regs. $$ repairs and reduced economy make the savings non existent unless towing daily.

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#4486233 - 08/12/17 12:41 AM Re: Odd engine msg on Powerstroke [Re: motor_oil_madman]
2015_PSD Online   content


Registered: 09/26/10
Posts: 7242
Loc: SE Texas
Originally Posted By: motor_oil_madman
Gonna be interesting to see what happens when these trucks get out of warranty. End up with 3 year old trucks in the junk yard because it needs a 15,000 dollar exhaust system or something.
One of the reasons many late model diesel owners perform an emissions 'delete'.
_________________________
2018 MB AMG GLC43 3.0L Coupe - M1 0W-40/OEM
2018 MB C300 2.0L - M1 0W-40/OEM
2015 F-250 6.7L PS Diesel - Delo 5W-40/CQ Blue
2014 Explorer 3.5L Limited - M1 AFE 0W-20/FU

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#4486238 - 08/12/17 12:59 AM Re: Odd engine msg on Powerstroke [Re: Donald]
Colt45ws Offline


Registered: 08/15/06
Posts: 9648
Loc: Central Washington
Sucks for the people in areas with inspections or who have a business with DOT numbers though.
_________________________
-Colton
2002 Ford Crown Vic PI 207k, Ex-Kootenai County, ID Unit #42
Down for engine swap
2003 Ford Crown Vic PI 75k
Castrol EDGE HM 5W30, Fram XG2

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#4486279 - 08/12/17 05:25 AM Re: Odd engine msg on Powerstroke [Re: Donald]
DoubleWasp Offline


Registered: 05/21/12
Posts: 5236
Loc: Fort Lauderdale, FL
Warning: You may be entering "DEF Hades". This happens to all manufacturers. Unconquerable DEF and reduced power that nobody can solve.

Let Ford tackle it. Hopefully yours is not one of those perpetual issues.
_________________________
07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio

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