1999 Volkswagen Passat Air Intake Pump / Sensor

1999 VOLKSWAGEN PASSAT
150,000 MILES • 6 CYL • FWD • MANUAL
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GTHOLLIDAY
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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?
Jan 18, 2010 at 1:29 PM
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RASMATAZ
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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://images.2carpros.com/forum/automotive_pictures/12900_air_pump_relay_1.jpg

Jan 20, 2010 at 5:19 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
2.8L air injection pump relay at in control module housing near master cylinder


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

Jan 20, 2010 at 7:13 PM
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