Question about 2009 Pontiac G8
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Posted on Jan 02, 2017
SOURCE: how to replace an oxygen sensor
In some areas a basic 22mm wrench can be used, but if the area is tight you will need a oxygen sensor socket. It's a basic socket but has a cut down the side for the wires to fit into. Open the hood, look down at what is the manifold. You may have a piece of metal covering the sensor which is a heat shield, this will have to be removed. You will see the sensor screwed into the exhaust manifold, follow the wires where it plugs into adapter. Unplug the sensor and with it being the front sensor you should be able to use the 22mm wrench and loosen. It's best to warm the engine a little for easier removal and thread damage. Once you remove the sensor, be sure the new one has anti seize grease on the threads, this keeps the part from welding itself to the exhaust. I work for Bosch, and operate the line that produces these, so my advice is to buy the aftermarket because it's the same as the OEM. Goodluck
Posted on Jun 25, 2010
The auto parts stores sell a special socket just for removing O2 sensors. They have a slot cut into the side the full length of the socket which allows the wire harness to be pulled into the socket instead of being trapped under it. If there is enough room, you could also use an open end wrench of the appropriate size. Be sure to let the exhaust cool completely before attempting to remove the sensor. They are usually very tight and any heat will just make them tighter. The new O2 sensor should have the connector at he end of the wire harness. Some sensors come with connectors that have to be spiced into the wire harness. Avoid those.
Posted on Dec 31, 2010
SOURCE: 2005 Pontiac Grand Prix.
The only way it can keep your remote starter from working is if is really hard to start to begin with.
If you manually start the car right up, then no, It wouldnt be the oxygen sensor.
Hope I was of assistance to you
Posted on Feb 23, 2011
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