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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW Passat Family (NMS and B7) TDIs (2012+)

VW Passat Family (NMS and B7) TDIs (2012+) Discussion area for the 2012+ Passat TDI (North American and rest of world versions versions). The North American model was previously codenamed NMS (New Midsize Sedan) and the version the rest of the world gets is sometimes referred to as B7.

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Old September 20th, 2019, 07:15   #1
two passat man
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Join Date: Dec 2012
Location: montana
Fuel Economy: 34
Default Misfire

2013 Passat TDI SEL w/DSG 230,000 miles. I started getting a chatter in 3rd gear under acceleration. If I put it in manual mode and down shift it would go away. It has now started doing it though all the gears. Hard acceleration helps it go away a little. Dealer has done all my service on time. No tune yet, planning on Malone stage 2 with DSG tune in November. I have had flywheel replaced around 160,000.
Update:Faults Found:
8842 - Torque Difference Cylinder 1
P1004 00 [175] - Limit Value Exceeded
MIL ON - Confirmed - Tested Since Memory Clear
10203 - Random/Multiple Cylinder Misfire Detected
P0300 00 [175] -
MIL ON - Confirmed - Tested Since Memory Clear
10591 - Cylinder 1
P0301 00 [175] - Misfire Detected
MIL ON - Confirmed - Tested Since Memory Clear
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Last edited by two passat man; September 21st, 2019 at 11:51. Reason: Codes
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Old September 20th, 2019, 12:10   #2
740GLE
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who did the DMF replacement? what parts?

were there time/milage stamps for those codes? If a DMF is failing (again) I don't think there are any codes that could get tossed.
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Old September 20th, 2019, 12:21   #3
two passat man
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Scanned 10 am today. Don’t think DSG issue now.
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Old September 20th, 2019, 12:48   #4
thundershorts
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Could it be an injector?
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Old October 22nd, 2019, 09:30   #5
ntmzp9
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any update on this?
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Old October 22nd, 2019, 11:39   #6
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probably cylinder 1 glow plug needs replacing

Try swapping #1 glow plug with another one, and see if the fault follows

If the glow plug is not the cause of the problem, then you need an injector
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Old October 22nd, 2019, 16:03   #7
thundershorts
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Why not replace gp's as a set and rule that out, after all they have 300k on them. The chatter described sounds more like random misfire.
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