Oxygen sensor problems

Oxygen sensor
Oxygen sensor: Oxygen sensor. It is placed in the tailpipe and it measures how efficient the engine combustion is.
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Engine Problem

Chevrolet Epica 2009 Auto 150000 miles
Something is wrong with my 2009 Epica

01. When slowing down the car and pick up again there is a jerk or lose of power suddenly (I rev the accelerator roll slowly and then suddenly the power kick in at a fast speed. 02. Every time stop at traffic or any stop the vibrate and like engine going to die off (error code P0154) I've change 2 Oxygen sensor still the same)
03. Where can I buy Air Filter Box top cover (my top cover crack) and where to buy stainless steel drop in filter.
04. My engine check light is not working and I had bought and install ULTRAGAUGE II to reset and check for error code.
HenryT from Singapore 7 years ago  
HE
8 reports 
Subhan from Australia 8 months ago
Did you found the reason for the fault?
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