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Amedee, Former ASE Master Tech
Category: Car
Satisfied Customers: 26629
Experience:  ASE certified tech advanced level specialist. Wisconsin certified emissions state inspector
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2002 escalade: 02 sensor..4x4..the time it acts like its out of gas

Resolved Question:

Where is my 02 sensor at , the senso has low vltage and that on bank 1. this is a 2002 Esclade 4x4. Most of the time it acts like its out of gas .
Submitted: 6 years ago.
Category: Car
Expert:  Amedee replied 6 years ago.

You should have 4 o2 sensors. THey are all located in the exhaust. You have two banks. One sensor will be before the converter and 1 sensor will be after the converter on each bank.
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