Ho2 sensor

[blackshadow69]

I had the Vsc Trac, Trac off and check engine light come on. I have a 2003 4runner with 4.7 v8. Went to advance auto parts and gave me error code Ho2 sensor B1 S2 Heater circuit low P0037. If this is a bad oxygen sensor does anyone know which one it is, how hard it is to replace, and where it can be purchased? Any help please!!!

 

[CJ3Flyr]

I'd replace the coolant temp sensor and refill with the appropriate Toyota specific anti-freeze. The O2 sensor code may have been thrown as a result of the bad water temp sensor.

Note: I am assuming you typo-ed with Ho2 and meant H2O.

 

[rook]

It means Heated O2 sensor
Bank 1
Sensor 2

 

[CJ3Flyr]

It means Heated O2 sensor
Bank 1
Sensor 2

Ah... of course.:bash:

 

[Nuke]

I find it very validating when others make mistakes. It helps me realize that I'm not the only moron... :boink:

No offense, CJ3Flyr. LOL!

 

[blackshadow69]

o2 sensor

I did make a mistake it is the o2 sensor B1 S2. The estimate reads Oxygen sensor-OE type-Downstream sensor-Left side. I know this vehicle has 4 o2 sensors, does this mean it's the drivers side one furthest away from engine?

 

[thetaxguy]

Since when does the t4r have a hydroperoxyl radical sensor? :bigok:

 

[NCSCOTT]

Since when does the t4r have a hydroperoxyl radical sensor? :bigok:

Wow!! Not sure if that went above my head or below my knees!!!:wtf:

LOL

 

[BiBo]

[No message]