Question about 2003 Buick Rendezvous
P0135 code on reader bank 1 sensor1
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Posted on Jan 02, 2017
The O2 sersor will require a special socket to avoid damaging the wiring on the new unit. (the old one really doesn't matter so any socket that works can be used on it)
The first thing to do is spray a thread release agent like PB Blaster® around the threads. You should do it for several days between driving.
Call the auto parts stores to find one that has loaner tools. They will require a deposit until the socket is returned. It will look something like the picture. Yes you will need a socket wrench too.
WORKING UNDERNEATH THE VEHICLE, MAKE SURE ITS BLOCK UP SO IT CAN NOT FALL.
Some more information to consider from a forum
"You might want to take the O2 sensor you just replaced back and get two new ones. Some times new O2 sensors are defective, also when replaceing them I found it better to replace all of them at the same time for sometimes when replaceing only one the computer sometimes sends back false codes. Another thing is if you buy an after market O2 sensor the wires are just a little bit longer and can cause the computer to send back false codes. The best O2 sensors that I have found are the Boch Platinums designed for your vehicle."
Posted on Mar 09, 2009
hi im wes the o2 sensor is always in the exaust newer buicks have one before the converter (sometimes in the exaust manifold) one after the converter if it has duall exaust it could have four
left bank sensor one is before the converter on drivers side bank two sensor 2 would be passanger side after the converter does this help?
Posted on Mar 12, 2009
SOURCE: Scan with code reader P0440
p0440 is a failure in the evaporative system, could be a hole in lines or a bad gas cap. screw cap on tighter to see if this may be your problem. the vent in the cap may not be letting pressure out, so loosen it to see. 02 sensor is a different code. have vehicle scanned to find codes. 02 sensor, egr, are part of the emission system etc. have a good day!!
Posted on Sep 15, 2010
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