Having problems with your 2002 Pontiac Grand Prix ?

Where is the 02 sensor located in a 2002 Pontiac Grand Prix? The machine says that the sensor is in Bank 1. Where is Bank 1?

Posted / edited by AnonymousUser on : 15-10-2018

Answers :

The O2 sensors are located in the exhaust pipe between the exhaust manifold and the catalytic converter. When it's referring to a bank number, it's talking about which set of cylinders. I'm assuming that you have a v-6, if it's specifying a bank. Either way, There are two O2 sensors, one for each side of the engine, and you'll want to replace both, since whatever made the one go bad has probably done the same for the other side too. Anyways, it looks like a spark plug with 4 wires coming out the top screwed into your exhaust pipe. If you follow the exhaust from the engine, you will find your sensors. Hope this helped, and good luck.
Repair Help & Product Troubleshooting for 2002 Pontiac Grand Prix

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