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0136 - Lambda sensor, which sensor post or pre?

280 views 0 replies 1 participant last post by  IntriguedUser 
#1 ·
Fault code 0136 came up twice on the pedal trick test, I'm not sure whether it's the pre/post-cat sensor, don't want to waste my money. How can I find out?

P0136 O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) C-32

I assume sensor 2 means the second one, so the post-cat sensor?

Thanks
 
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