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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW MKVI-A6 Golf family including Jetta SportWagen (~ 2010-2014)

VW MKVI-A6 Golf family including Jetta SportWagen (~ 2010-2014) Discussions area for A6/MkVI (2010-2014) Golf and Golf Wagons (Jetta Sportwagon in the USA).

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Old January 18th, 2019, 14:21   #1
calimustang
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Join Date: May 2010
Location: Central FL
Default Glow plug flashing when going WOT?

Hello,

This is for 2014 JSW with 35k miles.... she has been doing that for few months after last warranty repair. Cant remember before the last repairs.

Once I go WOT, she goes retarded instantly at 3k rpm and P3 shows 5 psi then i stomp again, goes to 8 psi but dropping slowly.

Whats the problem? No codes yet. No CEL.

Only way to stop is to park the car and turn it off then crank her. Shes fine.

When I do the WOT again, she does it again.

Please help?


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2011 JSW TDI retired and buyback, gone to heaven. almost 300k miles.
2015 Passat TDI with 22k miles on 5/6/2018, completely stock. Black exterior and black interior, 5% tints all around. Now 32k on 9/18/2018.
2014 JSW TDI bought used on 8/26/2018 with 27k miles, white with cornsilk interior. 5% tints, all stock.
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Old January 18th, 2019, 15:23   #2
PRY4SNO
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Swap cylinder one GP to cylinder two and see if it continues.

You'll likely have to put up with it until it throws a code for any warranty service.

It's likely you've got one combustion sensor going, but it's not enough to throw a code (believe it takes two as they average measurements across cylinders).
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- 1992 Audi 80q 20v: the 20vt winter sled (long term project)
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Old January 18th, 2019, 15:24   #3
calimustang
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CEL just popped up. Ill plug the VCDS tonight.


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2011 JSW TDI retired and buyback, gone to heaven. almost 300k miles.
2015 Passat TDI with 22k miles on 5/6/2018, completely stock. Black exterior and black interior, 5% tints all around. Now 32k on 9/18/2018.
2014 JSW TDI bought used on 8/26/2018 with 27k miles, white with cornsilk interior. 5% tints, all stock.
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Old January 18th, 2019, 16:56   #4
calimustang
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Ok P3 says code 0087..... can anyone comment on that?


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2011 JSW TDI retired and buyback, gone to heaven. almost 300k miles.
2015 Passat TDI with 22k miles on 5/6/2018, completely stock. Black exterior and black interior, 5% tints all around. Now 32k on 9/18/2018.
2014 JSW TDI bought used on 8/26/2018 with 27k miles, white with cornsilk interior. 5% tints, all stock.
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Old January 18th, 2019, 18:00   #5
Owain@malonetuning
 
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This is most likely limp mode due to boost deviations, P0087 is for low rail pressure though.

Best to hook up VCDS and log rail request vs actual and boost request vs actual over a drive cycle while trying to get it to act up.
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Old January 18th, 2019, 18:01   #6
calimustang
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Ok thanks! Will plug it tomorrow as I need to charge my laptop.


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2011 JSW TDI retired and buyback, gone to heaven. almost 300k miles.
2015 Passat TDI with 22k miles on 5/6/2018, completely stock. Black exterior and black interior, 5% tints all around. Now 32k on 9/18/2018.
2014 JSW TDI bought used on 8/26/2018 with 27k miles, white with cornsilk interior. 5% tints, all stock.
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Old January 19th, 2019, 00:21   #7
PRY4SNO
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Quote:
Originally Posted by Owain@malonetuning View Post
This is most likely limp mode due to boost deviations, P0087 is for low rail pressure though.

Best to hook up VCDS and log rail request vs actual and boost request vs actual over a drive cycle while trying to get it to act up.
Which channels would I use to log that function?
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- 2010 GSW 6 speed TDI (296k km & counting): #farmenwagen

- 1992 Audi 80q 20v: the 20vt winter sled (long term project)
- 1990 Audi Cq 20v: #becauseracecar
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Old January 19th, 2019, 06:14   #8
calimustang
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Quote:
Originally Posted by PRY4SNO View Post
Which channels would I use to log that function?


Thanks! I need to know also. My laptop is charged and ready.


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2011 JSW TDI retired and buyback, gone to heaven. almost 300k miles.
2015 Passat TDI with 22k miles on 5/6/2018, completely stock. Black exterior and black interior, 5% tints all around. Now 32k on 9/18/2018.
2014 JSW TDI bought used on 8/26/2018 with 27k miles, white with cornsilk interior. 5% tints, all stock.
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Old January 19th, 2019, 12:16   #9
TRAMPLINEMAN
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Could possibly be a plugged fuel filter.
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Old January 19th, 2019, 12:18   #10
calimustang
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Yep most likely. My laptop is fully charged now at friend’s house changing bulbs to LED’s.


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__________________
2011 JSW TDI retired and buyback, gone to heaven. almost 300k miles.
2015 Passat TDI with 22k miles on 5/6/2018, completely stock. Black exterior and black interior, 5% tints all around. Now 32k on 9/18/2018.
2014 JSW TDI bought used on 8/26/2018 with 27k miles, white with cornsilk interior. 5% tints, all stock.
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Old January 19th, 2019, 15:06   #11
calimustang
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got it....

Saturday,19,January,2019,17:04:10:34053
VCDS Version: Release 18.9.1 (x64) Running on Windows 10 x64
www.Ross-Tech.com

Address 01: Engine Labels: 03L-906-022-CBE.clb
Control Module Part Number: 03L 997 030 E HW: 03L 907 309 AA
Component and/or Version: R4 2.0l TDI G000AG 9983
Software Coding: 0050078
Work Shop Code: WSC 00728 003 1048576
VCID: 306F63CDA3A656CA6D-8064
1 Fault Found:

000135 - Fuel Rail/System Pressure
P0087 - 001 - Too Low - Intermittent - MIL ON
Freeze Frame:
Fault Status: 10100001
Fault Priority: 2
Fault Frequency: 6
Reset counter: 255
Mileage: 56710 km
Time Indication: 0
Date: 2046.14.20
Time: 15:36:57

Freeze Frame:
RPM: 3151 /min
Inj. Quantity: 55.2 mg/str
(no units): 5.0
Pressure: 1808.0 bar
Pressure: 888.0 bar
Temperature: 62.1°C
Tank Cont.: 52.9 l


Readiness: 1 1 0 0 0
__________________
2011 JSW TDI retired and buyback, gone to heaven. almost 300k miles.
2015 Passat TDI with 22k miles on 5/6/2018, completely stock. Black exterior and black interior, 5% tints all around. Now 32k on 9/18/2018.
2014 JSW TDI bought used on 8/26/2018 with 27k miles, white with cornsilk interior. 5% tints, all stock.
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Old January 22nd, 2019, 19:04   #12
jesus_man
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My '09 would do this, but I didn't have to shut it off to straighten up. I wouldn't see any performance issues. Just the glow plug light flashing on hard accel. Curious to know what you find out.
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2009 JSW TDI DSG - sold back to VW
2002 VW Passat Wagon, 6spd, silver Family hauler! - Euro Spec

2006 Jetta TDI Bought 6/25/06 (traded in 10/2009 @ 43mpg
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Old January 24th, 2019, 04:56   #13
calimustang
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Yep, I went to one shady VW and they said nothings wrong. I stormed out and slammed door cuz it was an huge insult and I have VCDS and its all right there!

So I am here at other VW as early bird and they are the one who found the 5th solution to my fuel pump cut off. Yea literally 5th time. It was danged wiring from fuel pump to the ecu and somewhere else, it was a mess.

Whoever did this in NJ with previous owner...... did this. So she has been running beautiful except 3k rpm issue as posted earlier.


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__________________
2011 JSW TDI retired and buyback, gone to heaven. almost 300k miles.
2015 Passat TDI with 22k miles on 5/6/2018, completely stock. Black exterior and black interior, 5% tints all around. Now 32k on 9/18/2018.
2014 JSW TDI bought used on 8/26/2018 with 27k miles, white with cornsilk interior. 5% tints, all stock.
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Old January 24th, 2019, 13:52   #14
calimustang
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Ok my visit was completed in 2 hours today. They “confirmed” that its the fuel filter going bad. I told them they should have replaced the filter once they replaced fuel pump.... they swallowed their pride and covered the fuel filter replacement at no cost. Test drove her and seems good and smoother than before... few hours later i kept revving to 90-100 and boom, glow plug flashing again.

Will keep testing to see if GP comes flashing again or not.


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__________________
2011 JSW TDI retired and buyback, gone to heaven. almost 300k miles.
2015 Passat TDI with 22k miles on 5/6/2018, completely stock. Black exterior and black interior, 5% tints all around. Now 32k on 9/18/2018.
2014 JSW TDI bought used on 8/26/2018 with 27k miles, white with cornsilk interior. 5% tints, all stock.
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Old January 24th, 2019, 17:50   #15
jesus_man
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Bummer! Trying to replace fuel filter on my this weekend if time allows. But only because I don't know when it was last done. Was hoping you found your issue.
__________________
2010 JSW TDI DSG in gray with black interior

2009 JSW TDI DSG - sold back to VW
2002 VW Passat Wagon, 6spd, silver Family hauler! - Euro Spec

2006 Jetta TDI Bought 6/25/06 (traded in 10/2009 @ 43mpg
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