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1999 Chevy Blazer

Tiny
BUSYUC
  • MEMBER
  • 1999 CHEVROLET BLAZER
1999 Chevy Blazer

I just purchased a 99 s10 blazer the catalytic converter has been removed is that a problem?
Also ck engine light is on as per codes replaced mass air flow, spark plugs, wires, cam sensor did not fix please help
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Sunday, July 20th, 2008 AT 10:20 PM

1 Reply

Tiny
SWILLIAMS
  • MECHANIC
  • 597 POSTS
Yes. There is a second O2 sensor after the converter. It tells the ECM if the converter is OK and acts as a back-up sensor to the front one.
Also keep in mind that removing the converter is a federal offense.
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Wednesday, July 23rd, 2008 AT 4:47 PM

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