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Discussion Starter #1
My Supra's sensor light just turned on for the first time while driving to work yesterday. I'm assuming it means the the O2 sensor needs replaced but wanted to double-check before picking a new one up. Anyone else have this issue? Funny, I've never had a light turn on with this car.
 

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Discussion Starter #2
Well i went ahead and bought one from RockAuto. For $22 bucks i figured what the heck. Any tips for getting it off without breaking anything? Bolts look clean so i'm hoping it will come right out. Kind of a tight area though. May do some knuckle busting.
 

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Replacing the O2 sensor on mine did not fix the problem. I seem to remember reading that there is a reset button or switch under the driver side dash to reset the light. It's been a while since I drove or did anything with my mki so I don't remember the details.
 

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Instructions are in the Supplement for Supra Chassis & Body Repair Manual...Section 4-4

I'll try to post a pic...

1979-1980 Model
Cancel switch on the brake bracket

1981 Model
Cancel switch is on the upper left cowl trim board near (left foot area)
 

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And replacement O2 sensor/reset procedure in the Toyota Maintenance Procedures 1980 Models Section 7-15...
 

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AND more pics...
 

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Discussion Starter #8
Excellent, thanks for the info everyone. I'll try this first and stick the sensor in the parts bin if not needed. Great news.
 
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