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Secondary air pump running when car is off

Tiny
ERINCASEY
  • MEMBER
  • 2010 CHEVROLET IMPALA
  • 3.5L
  • V6
  • FWD
  • AUTOMATIC
  • 130,000 MILES
The secondary air intake valve was replaced a few months ago. The air pump can be heard running even after the car is turned off. It drained the battery completely over night. We have to disconnect the battery to get it to stop. Is this a mechanical or electrical problem and can we repair it ourselves? Thank you!
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Thursday, July 23rd, 2015 AT 9:54 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
See if it's a bad relay corroded or staying on first then check for a bad solenoid. Here is a guide to help check it with the air pump relay location below.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Check out the diagrams air pump relay (Below). Please let us know what you find.
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Thursday, July 30th, 2015 AT 6:34 AM

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