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#4688951 - 03/08/18 05:34 PM Gas Engine Performance Modifications
2009Edge Offline


Registered: 06/10/09
Posts: 246
Loc: Texas
A Guide to Identifying Failures Related to Performance Modifications

https://ford.oemdtc.com/GSB/G0000128.pdf Copy and paste in ty your browser to view

This information provides what Ford looks at to deny a warranty claim. Just FYI

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#4688977 - 03/08/18 06:05 PM Re: Gas Engine Performance Modifications [Re: 2009Edge]
eddy21 Offline


Registered: 01/11/08
Posts: 196
Loc: FL
You could start the vehicle a couple hundred times to throw them off .
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#4688998 - 03/08/18 06:30 PM Re: Gas Engine Performance Modifications [Re: 2009Edge]
skyactiv Offline


Registered: 03/02/13
Posts: 4394
Loc: The Midwest
Informative.

The issue Ford sees is people modifying turbocharged vehicles which most often puts more stress on the engine and transmission. Unlike say a Mustang V8, turbo cars are very easy and cheap to add meaningful power to.

A lot of guys that own a Focus ST or a Fiesta ST modify them.

Also to note and feel free to fact check me as I may be wrong:
The Focus RS has a campaign to replace the head gasket and if needed, the cylinder head if the car was built between August 3, 2015 to July 6, 2017.
However, if the car is modified to the point of voiding the warranty, Ford wont replace the head gasket. Ford supposedly installed the wrong head gasket, one meant for the Mustang with the 2.3 which is slightly different.
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#4689032 - 03/08/18 06:58 PM Re: Gas Engine Performance Modifications [Re: 2009Edge]
SilverFusion2010 Offline


Registered: 06/29/11
Posts: 1657
Loc: Crawfordville FL
For an ecoboost platform the tune can make more power but I would use it mostly to tweak shift points.
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#4689040 - 03/08/18 07:07 PM Re: Gas Engine Performance Modifications [Re: eddy21]
bdcardinal Offline


Registered: 06/03/05
Posts: 10981
Loc: Santa Barbara, CA
Originally Posted By: eddy21
You could start the vehicle a couple hundred times to throw them off .


Negative, it isn't just a key on and off cycle. It has to be a drive cycle.
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#4689215 - 03/08/18 10:04 PM Re: Gas Engine Performance Modifications [Re: 2009Edge]
PeterPolyol Offline


Registered: 03/06/16
Posts: 1345
Loc: toronto
AKA the Ford Warranty denial handbook. It's actually a decent idea to distribute a doc like this to your techs

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#4689347 - 03/09/18 06:48 AM Re: Gas Engine Performance Modifications [Re: PeterPolyol]
klt1986 Offline


Registered: 04/08/09
Posts: 384
Loc: Southern VA
Originally Posted By: PeterPolyol
AKA the Ford Warranty denial handbook. It's actually a decent idea to distribute a doc like this to your techs


True. However, I'd be willing to bet all manufacturers have similar bulletins.
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#4689380 - 03/09/18 08:06 AM Re: Gas Engine Performance Modifications [Re: 2009Edge]
Olas Offline


Registered: 12/11/13
Posts: 3933
Loc: Manchester, England
There is something of an underground culture of returning car to stock for any warranty visits, rendering the warranty-denial-due-to-modification policy harder to enforce.
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#4689406 - 03/09/18 08:43 AM Re: Gas Engine Performance Modifications [Re: Olas]
HemiHawk Offline


Registered: 03/09/16
Posts: 832
Loc: PA,US
Originally Posted By: Olas
There is something of an underground culture of returning car to stock for any warranty visits, rendering the warranty-denial-due-to-modification policy harder to enforce.


Not sure how underground it really is. If I had to take my truck to the dealer I'd take the catch can off first. I understand things like raising boost pressures or even tuning engines in general, but some warranty denials are insane. I don't want a transmission warranty claim denied because of my engine oil catch can.
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#4696551 - 03/16/18 10:19 AM Re: Gas Engine Performance Modifications [Re: 2009Edge]
eddy21 Offline


Registered: 01/11/08
Posts: 196
Loc: FL
I'm on the Fiesta ST forum and some dealers are cool warranting modded cars . I put mine to stock every time, even for an hvac blend door problem. Now I'm in the middle of installing a Pumaspeed X47R hybrid turbo so that's out the window .
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#4696748 - 03/16/18 01:48 PM Re: Gas Engine Performance Modifications [Re: eddy21]
dailydriver Offline


Registered: 03/14/06
Posts: 9176
Loc: Pennsylbammyvania
Originally Posted By: eddy21
I'm on the Fiesta ST forum and some dealers are cool warranting modded cars . I put mine to stock every time, even for an hvac blend door problem. Now I'm in the middle of installing a Pumaspeed X47R hybrid turbo so that's out the window .


That being a stock looking, 'factory frame' based turbo, you could still possibly get away with it as long as you do not have too many blatantly aftermarket appearing supporting mods as well, and install the factory tune and drive it REALLY easy there and back.
But of course, you then have Ford's re-flash counter, and their techs on 'high alert' scenarios to deal with. frown
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#4723783 - 04/11/18 03:28 PM Re: Gas Engine Performance Modifications [Re: dailydriver]
eddy21 Offline


Registered: 01/11/08
Posts: 196
Loc: FL
Originally Posted By: dailydriver
Originally Posted By: eddy21
I'm on the Fiesta ST forum and some dealers are cool warranting modded cars . I put mine to stock every time, even for an hvac blend door problem. Now I'm in the middle of installing a Pumaspeed X47R hybrid turbo so that's out the window .


That being a stock looking, 'factory frame' based turbo, you could still possibly get away with it as long as you do not have too many blatantly aftermarket appearing supporting mods as well, and install the factory tune and drive it REALLY easy there and back.
But of course, you then have Ford's re-flash counter, and their techs on 'high alert' scenarios to deal with. frown



Factory tune is out of the question with this turbo . I'd swap back to stock turbo for a high dollar repair .
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