Is there a dummy 02 sensor

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anubisani

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HEY GUYS I AM GONNA PUT FULL LENGTH HEADERS ON MY 1988 TBI 454, IS THERE SUCH A THING AS A DUMMY SENSOR WHER U PLUG IT IN AN THE ECM THINK THERE IS 1 . any help or info is appreciated.
 

89Suburban

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MAKE SURE IT AINT A BACK PRESSURE EGR VALVE OPERATED SYSTEM BECAUSE YOU NEED AT LEAST 3 PSI EHXAST PRESSURE TO KEEP IT KOSHER,

Oops, caps button is stuck :halp:
 

anubisani

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MAKE SURE IT AINT A BACK PRESSURE EGR VALVE OPERATED SYSTEM BECAUSE YOU NEED AT LEAST 3 PSI EHXAST PRESSURE TO KEEP IT KOSHER,

Oops, caps button is stuck :halp:

what do you mean by back pressure egr
 

89Suburban

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It's a very, very , very long story.....
 

bucket

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You need the O2 sensor so the engine can run... DON"T LEAVE IT OUT! You can weld an O2 bung into any header, and it's not required but it's best to use a heated type O2 with headers.
 

anubisani

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1988
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R/V 3500
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454 TBI TH400 4:11 gears
You need the O2 sensor so the engine can run... DON"T LEAVE IT OUT! You can weld an O2 bung into any header, and it's not required but it's best to use a heated type O2 with headers.

ok thanks
 

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