Testing o2 sensors
Drifting
Joined: May 2003
Posts: 1,730
Likes: 1
From: Charlotte NC
St. Jude Donor '05
Yes,
Check to make sure they sit around 450 mv with the car off key on and cold engine.
The other thing to check is to make sure they move up and down easily. If they sit on one voltage (after they are hot) they are bad.
Check to make sure they sit around 450 mv with the car off key on and cold engine.
The other thing to check is to make sure they move up and down easily. If they sit on one voltage (after they are hot) they are bad.
Race Director
Joined: Jun 2004
Posts: 13,969
Likes: 710
From: WI
Originally Posted by Alvin
Yes,
Check to make sure they sit around 450 mv with the car off key on and cold engine.
The other thing to check is to make sure they move up and down easily. If they sit on one voltage (after they are hot) they are bad.
Check to make sure they sit around 450 mv with the car off key on and cold engine.
The other thing to check is to make sure they move up and down easily. If they sit on one voltage (after they are hot) they are bad.
Safety Car
Joined: Apr 2003
Posts: 3,793
Likes: 9
From: VA
Originally Posted by Aardwolf
Do they have to be plugged into the cars pigtail or is it ok to check that with the sensor on my bench?
