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VW B5 Passat TDIs This is a general discussion about B5 Passat(>98 (2004-2005 in North America)). Non TDI related postings will be moved or removed.

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Old October 28th, 2012, 09:13   #1
vrus13
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Default Low power,limp mode

Hi! My car is:Passat 1.9 PDTDI, 2003,AVB(101HP)(200.000km). This is my first diesel car,i bought two months ago.The car hasn't power under 1800-2000rpm.I push the throttle full down and my car accelerate slowly.At 1800-2000rpm kick out and accelerate very fast,but over 3000rpm the car goes limp mode.2 months ago i had the following error msg: 17965 charge pressure control positive deviation p1557 - 35-10 intermittent. My turbo was cleaned. But now,i have this error msg again. I logged the block 11 with vag-com. The duty cycle is 94,4(2500rpm).What is the problem?MAP?MAF?Actuator?Turbo? Pls help me. (Sorry for my bad english)
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Old October 29th, 2012, 08:33   #2
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Nobody?
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Old October 30th, 2012, 09:08   #3
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I was logging group 3 and 11. I don't know why,but my map duty cycle is high.At 2500 rpm 90%! Have i faulty n75 valve or somthing is bad with my actuator? Must i adjust the actuator rod or replace the n75?

http://postimage.org/image/m7ynorrdj
http://postimage.org/image/maijblv13
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Old October 30th, 2012, 09:21   #4
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Many of the boost lost problems with these diesels are due to a leak in the charge hoses (large diameter). In the U.S. versions, the hoses have o-rings as seals. Inspect all the hoses to and from the turbo and intercooler for a start.

Good luck!
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Old October 30th, 2012, 09:23   #5
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17965/P1557/005463 - Charge Pressure Control: Positive Deviation
Possible Symptoms

Reduced power output
Limp mode

Possible Causes

Boost Pressure too High
Hoses/Pipes incorrect connected, disconnected, blocked or leaking
Charger Pressure Control defective
VNT (variable nozzle turbo): nozzles stuck
Solenoid Valve for Boost Pressure Control (N75) defective

Possible Solutions

Check Hoses/Pipes to/between Components
Check Solenoid Valve for Boost Pressure Control (N75)
Check / Clean / Replace Charge Pressure Control
Check / Clean mechanism for variable nozzles

19586/P3130/012592 - EGR System: Regulation Range Exceeded
Possible Symptoms

Malfunction Indicator Light (MIL) ON

Possible Causes

Exhaust Gas Recirculation (EGR) Valve (N18) faulty
Exhaust Gas Recirculation (EGR) faulty

Possible Solutions

Check/Replace Exhaust Gas Recirculation (EGR) Valve (N18)
Check Exhaust Gas Recirculation (EGR) faulty
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Old October 30th, 2012, 09:24   #6
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Maybe read this too:

http://forums.tdiclub.com/showthread.php?t=179589
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Old October 30th, 2012, 09:26   #7
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P17965, it's an overboost error. I think this is not leaking problem.
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