CEL p0134
#4
Senior Member
iTrader: (4)
but it could also be caused from an exhaust leak before or around the cat.. check that before you go out and buy a new o2 sensor
http://www.gearchatter.com/viewtopic10070.php
http://www.gearchatter.com/viewtopic10070.php
Last edited by glen229; 01-02-2009 at 02:30 AM. Reason: Automerged Doublepost
#5
Senior Member
iTrader: (1)
bank 1 reffers to the cylender bank, either 1 or 2 on a flat or V engine. on an I4 there is only one bank. to determine what sensor it is you need to know if its sensor 1 or 2. the code will real bank 1 sensor 1 or bank 1 sensor 2. 1 is upstream (before the cat) and 2 is downstream (after the cat)
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