Car Questions
RepairPal is your advocate for car care advice and guidance

O2 sensor

(2001 Hyundai Elantra)
in Hammonton, NJ on March 26, 2009
I have a code that reads bank 1 sensor 2 which o2 sensor is this the one on exhaust manifod or after the convertor? their like 85 dollars i don't want to buy both of them thanks.
Displaying 3 answers & 0 comments
Popular Answer
on March 26, 2009
It is the Oxygen Sensor that is screwed into the exhaust pipe just past the catalytic converter. Sensor 2 means the downstream O2 sensor, post converter.
on April 20, 2010
how do u change an o2 sensor before the catalit converter?
on March 26, 2009
This is the CAT monitoring sensor that is to the rear of the CAT converter.
RepairPal estimates are guaranteed at over 2,000 quality certified locations nationwide. Learn more

Similar Questions

View answers to similar questions from RepairPal's community of auto experts and enthusiasts.
There's a red wire gray with red line has me stuck don't know what connects to gray black two whites
We diagnosed the vehicle and obd says O2 1-2 heated sensor. We changed and the same code still appears. What must I d...
Didn't find what you were looking for?