Question about 2005 Buick Rendezvous
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Posted on Jan 02, 2017
SOURCE: 2002 Buick Rendezvous Error
I have had simlar issues. The first thing to try is to diconnect the positive lead from teh battery. Be careful as there are some issuesd surrounding OEM batteries in the 02. after about 30 secs reconnect the cable. This will "reset" your system and if it is just a glitch, the problem should be gone. If this does not fix the problem it is most likely your intrument cluster, however it can also be the BCM (Body Control Module). Have a dealer check it out for you. Before you buy a replacment part from the dealer chaeck out the prices at newgmparts.com or Rock Auto, both saved me 50% or more when I needed to have these items replaced.
Posted on Sep 23, 2008
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
You can see, but not reach the before cat sensor from underneath. To get it out, I did it from the top. Remove the 3 ignition coils (2 plug wires each) and ignition control module (this is the part that the coils plug into). You'll have to follow the O2 sensor wire to find it (you'll be working blind). Use the special deep well socket to remove it. There's not a lot of room to turn the wrench and it's difficult to get leverage to turn the sensor out. I put a 3' length of conduit over the handle of my 3/8" ratchet, as there wasn't enough room to get a breaker bar in there. Once you get the old one out it should be smooth sailing. Make sure you follow the directions and use anti-seize. After you get it installed you'll have to clear the code to get the check engine light to turn off. I went to my friendly Advance Auto store and used their scan tool, but I've read that you can also clear it by disconnecting the battery for 5 minutes and turning your headlight switch on.
Posted on Oct 30, 2011
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