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Code P0031-HO2S Heater Control Circuit Low (Bank 1 Sensor 1)

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Offline mfoster442

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Code P0031-HO2S Heater Control Circuit Low (Bank 1 Sensor 1)
« on: July 25, 2006, 12:56:55 PM »
Anyone had experience with this code?  It comes on intermitently on my 2002 2.0L vitara.

Thanks all.
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2002 Vitara
235/70/R16 Cooper Discoverer S/Ts
Stock engine and running gear
Boondox Spacers
Pro-Comp Shocks Strut extenders Camber bolts
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Offline AJMBLAZER

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Re: Code P0031-HO2S Heater Control Circuit Low (Bank 1 Sensor 1)
« Reply #1 on: July 25, 2006, 03:31:41 PM »
Front O2 sensor.
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Offline mfoster442

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Re: Code P0031-HO2S Heater Control Circuit Low (Bank 1 Sensor 1)
« Reply #2 on: July 25, 2006, 03:46:06 PM »
Meaning the sensor itself is bad, or something is causing it to show circuit low?

Those things are friggin' expensive! :o
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2002 Vitara
235/70/R16 Cooper Discoverer S/Ts
Stock engine and running gear
Boondox Spacers
Pro-Comp Shocks Strut extenders Camber bolts
*

Offline AJMBLAZER

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  • Your mom.
Re: Code P0031-HO2S Heater Control Circuit Low (Bank 1 Sensor 1)
« Reply #3 on: July 25, 2006, 08:17:13 PM »
Couldn't tell you either way but I was getting that code on my '96 and I replaced that sensor and the code went away.  With as corroded and nasty as they and the exhaust looked I figured it wouldn't hurt to replace them anyways.

Yeah, things are g-d gold. :P
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Offline mfoster442

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Re: Code P0031-HO2S Heater Control Circuit Low (Bank 1 Sensor 1)
« Reply #4 on: July 25, 2006, 08:34:35 PM »
Thanks for the input.

I'm going to try and do a tune up first (needs it anyway) and see if that makes it go away.  It's worth a try.

If it keeps popping up, I'll replace the ...Agghhhh!.....sensor.

Holy crap they're proud of those...

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2002 Vitara
235/70/R16 Cooper Discoverer S/Ts
Stock engine and running gear
Boondox Spacers
Pro-Comp Shocks Strut extenders Camber bolts
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