CHEVY O2 SENSORS

1995 Chevrolet Blazer

Tiny

buckeyefanjd76

February, 8, 2010 AT 9:50 PM

Engine Mechanical problem
1995 Chevy Blazer 6 cyl Four Wheel Drive Automatic 200000 miles

i need to know how many o2 sensors there are on a 95 chevy blazer I changed 2 but the check eng. Light says a bad o2 sensor

FOUND 3466 RELATED QUESTIONS

1 Answer

Tiny

hmac300

February, 9, 2010 AT 6:28 PM

There are 4. 2 pre and 2 post. In other words 2 before teh converter and 2 after. Or if you have one converter 1 before an d1 after. They are both different. Your scan tool should tell you which one is giving you the problem.

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