View source for 16825/P0441/001089

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== 16825/P0441/001089 - EVAP Emission Control Sys: Incorrect Flow ==

==== Possible Symptoms ====

* Malfunction Indicator Light (MIL) active

==== Possible Causes ====

* Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80) faulty/jammed
* Evaporative Emission (EVAP) Canister Purge Solenoid Valve (N115) faulty/jammed
* Evaporative Emission (EVAP) Canister Sealing faulty
* Pipes between Tank Breathing and Throttle Body leaky/blocked

==== Possible Solutions ====

* Check Evaporative Emission (EVAP) Canister Purge Regulator Valve (N80)
** Perform Output Test
* Check Evaporative Emission (EVAP) Canister Purge Solenoid Valve (N115)
* Check Evaporative Emission (EVAP) Canister
** Perform Basic Setting
* Check Pipes between Tank Breathing and Throttle Body

==== Special Notes ====

* When found in the NAR 1.8T Audi A4 1.8T check TSB 24-08-78 or 2010268/3 or Pass-Thru equivalent TSB
* When found in the NAR 1.8T VW Passat 1.8T check TSB 01-09-09 or 2005554  or Pass-Thru equivalent TSB
**  Note: The Passat 26E5 or "R5" recall includes the same software update
* Make sure the quick release lines for the N80 valve and vacuum line to LDP are not crossed.
** This can also make the engine hard to start after filling up the fuel tank.
* For the Tiguan with the 2.0T DGUE engine that has one or more of the following fault codes, please see TSB 054615 for possible ECM update and hardware update.
** P0172, P0300, P0301, P0302,P0303, P0304, P0441, P0456, P060C, P2440 and/or P2450
*** https://static.nhtsa.gov/odi/tsbs/2019/MC-10162819-0001.pdf  NHTSA
* For the 2013-2019 Jetta 1.4 engine that has one or more of the following fault codes, please see Tech Tip 01-19-06 (2056714/1) for info on N80 Purge Valve testing
** P0441, P0442, P0455, P0456
*** https://static.nhtsa.gov/odi/tsbs/2019/MC-10166734-0001.pdf   NHTSA
[[Category:Fault Codes]]