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Hi im David, thanks for visiting the site. please allow me a few minutes to look up some information. thanks
you definitely want to have this TSB done for P1133
IM STILL RESEARCHING 1153
hers some diagnostics for both
When you replaced the sensors, were they dealer parts or aftermarket?
ok, well the very first thing I recommend to all of my customers when it comes to o2 sensors, is always get them from the dealer. TAhe after market sensors are junk.
you're welcome and a lot of the time the new sensors will take care of the p0171 issue also
please accept the answer and leave a positive rating for me if you are satisfied with my assistance. let me know. accepting the answer and leaving a rating will not end this session. I will be here for you to make sure the vehicle gets fixed. thank you.