dont have to read. bashing prohibited (O2 sensor thread size and pitch)

May 2, 2014 | 03:48 PM

2004mazdaATL

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From: Alpharetta,GA

dont have to read. bashing prohibited (O2 sensor thread size and pitch)

anyone know the thread size for O2 sensor bung on the racing beat DR midpipe. i am getting a bad exhaust leak from it,wanting to plug it but need to know the size plug i need.

I dont care about the CEL that much just clear it every once in awhile. but the exhaust leak sucks.

May 2, 2014 | 04:03 PM

RIWWP

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M18 x 1.5

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May 2, 2014 | 04:25 PM

EuroTech

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From: Marietta, GA

What makes you think putting a plug in is going to do which is the same concept as having the sensor installed. Seems like you have a bad weld on the bung, or the sensor isnt seated all the way. Did you also replace the 2 midpipe gaskets and check if the bolts are all tight?

I just swapped my midpipe and neglected to install new seals as they "looked" good but the front leaks.

Last edited by EuroTech; May 2, 2014 at 04:51 PM.