answersLogoWhite

0


Best Answer

If it had a bad O2 sensor the "check engine" would be illuminated and a code would be set indicating which sensor is at fault. You probably have other problems causing that backfire to occur.

User Avatar

Wiki User

9y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Which oxygen sensor should you change on your 1999 Chevy blazer back firing problems?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What is gas firing?

oxygen


How many oxygen sensors does a 96 blazer have?

TWO.


How many Oxygen sensors does a 1998 S10 blazer have?

A 1998 Chevy S10 Blazer has a total of two oxygen sensors. One is used for the upstream and one for the downstream.


Where is the oxygen sensor on a 1996 Chevy Blazer?

should be on the exhaust manifold


Can you clean the oxygen sensors on a Chevy blazer?

No, they will need replaced if defective.


Where on a 1994 Chevy blazer is the oxygen sensor located bank one sensor one?

where is the oxygen sensor in a 1995 gmc jimmy


Will oxygen sensor keep 1996 blazer from starting?

Nope. The computer doesn't even look at the oxygen sensor until the oxygen sensor reaches operating temperature.


Will a faulty oxygen sensor cause your engine light to come on in a 1996 Chevy blazer?

Yes


Where are the oxygen sensors located on a 1996 blazer where is sensor 3 bank one?

I have a code DTC P0154.Bank 2 Sensor 1 no activity.Which sensor is this on my 96 Blazer?


Diagram of oxygen sensor to manifold on a Chevy blazer s10 and the entire exhaust system?

what is the wiring diagram for the o2 sensor on 2000 s10 blazer. it has 4 wires. what what do they all do /


Where would a 2000 Chevy Blazer oxygen sensor 3 be located?

I need to know the location of the oxygen sensor 3 in bank 1 on a 2000 Chevy Blazer. Is it the one closest to Cylinder Head or closest to the catalytic converter. email address is wcannon@knology.net


Where are oxygen sensors in a 1995 -5.7 Liters Chevrolet Blazer?

They are screewed into the exhaust pipes. There will not be any after the muffler.