ob2 code
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ob2 code
anyone have any suggestions about this code cel is on after we were out wheeling this weekend . code is po171 system to lean bank 1 , any ideas where to start im not sure any help or suggestions what to look at or hopefully fix thanks in advance . ken . 99 tacoma v6 ext cab
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Oxygen sensor pre-cat is out. There are 2 - One before the catalytic converter and one after. Change the one before the catalytic converter. It takes a special socket (tall with a slit in it). Sensor runs about $175.
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thanks for the replies guys,i think i will try the MAF cleaning first since that is a lot less $ lol ,i will repost how i make out with it ,thanks again , ken
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