How many o2 sensors on a 1997 chevy 1500 - 1997 Chevrolet C1500

SOURCE: how do i fix my o2 sensors on a 1999 chevy

There is no repair to a faulty or broken o2 sensor.If its broken you can replace it easily knowing which one you need to buy.There is more than one o2 senser and if its a faulty sensor you will need to know which one you'll need to buy.If your vehicle has over 100k miles you should consider replacing them all.Some garages will locate and tell you the problem for a smaller fee than them doing the repair itself,then you can fix it your self and save a few bucks.

SOURCE: replacing upstream O2 sensors on 2002 chevy silverado 1500

follow the pipes from the cat forward, you shld be able to find them. from the cat down or back, would be your rear sensors.

SOURCE: My 93 chevy 1500 4.3 is pouring to much fuel, I

were the injectors replace? 4.3l engines are know for messed up distributors