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1999 Volkswagen Passat Air Intake Pump / Sensor

Tiny
GTHOLLIDAY
  • MEMBER
  • 1999 VOLKSWAGEN PASSAT
  • 6 CYL
  • FWD
  • MANUAL
  • 150,000 MILES
Secondary air intake pump continues to run (drains battery) after car is off (started in extreme cold temps). I'm assuming the pump isn't bad because it is running and can feel vacuum, would it be a bad sensor and where is it (sensor) located if it is a sensor?
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Monday, January 18th, 2010 AT 1:29 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi gtholliday, Welcome to 2carpros and TY for the donation.

Sounds like the air injection pump relay is sticking constantly powering it -see below for location


https://www.2carpros.com/forum/automotive_pictures/12900_air_pump_relay_1.jpg

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Wednesday, January 20th, 2010 AT 5:19 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
2.8L air injection pump relay at in control module housing near master cylinder


https://www.2carpros.com/forum/automotive_pictures/12900_air_1.jpg

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Wednesday, January 20th, 2010 AT 7:13 PM

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