Code 17509 Oxigen Sensor Lambda low voltage?
Thread Starter
AudiWorld Super User
Joined: Sep 2003
Posts: 5,002
Likes: 129
From: Fremont, CA
Code 17509 Oxigen Sensor Lambda low voltage?
Hello all,
What can be done with the check engine light oxigen sensor lambda low volage? Replacing all oxigen sensors? Where do we get these inexpensively? After market?
Thanks,
What can be done with the check engine light oxigen sensor lambda low volage? Replacing all oxigen sensors? Where do we get these inexpensively? After market?
Thanks,
AudiWorld Super User
Joined: Jan 2003
Posts: 6,994
Likes: 204
From: Lake Tapps, WA
DTC 17509 means either O2 Sensor G39 faulty (bank 1, front) OR an air leak. Check for air leaks...
first since that is the cheapest and most likely cause. If you require a new O2 sensor, check on-line suppliers, such as www.autohausaz.com, www.partspalace.com, etc. You'll find a list of these sellers under the FAQs.
Thread Starter
AudiWorld Super User
Joined: Sep 2003
Posts: 5,002
Likes: 129
From: Fremont, CA
Re: DTC 17509 means either O2 Sensor G39 faulty (bank 1, front) OR an air leak. Check for air leaks
Air leaks in what area? hoses? tubes? Where is bank 1, front left or right?
Thanks,
Thanks,
Thread Starter
AudiWorld Super User
Joined: Sep 2003
Posts: 5,002
Likes: 129
From: Fremont, CA
Re: Air leaks in the intake manifold system & associated connections. Bank 1 is right side.
Thanks Gary, I'll look into it, the check engine light has not come back for a few days now.
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