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help me fix a exhaust leak

670 Views 10 Replies 3 Participants Last post by  LVOBSRT
ive got the 3" mpx from modernperformance and a 3inch exhaust depot see with one res, my wideband is fighting with it, when im driving im running about 14-15 and 11 on shifts i believe, on idle if fights anywere from 17 to 18 down to high 14 and it jsut gose back and forth at first it didnt bug me but im about to put my fuel pump in and injectors so i need everything to be working, im thinking it may be the weight of the exhaust system pulling everything down due to mpx dose not have anything to support it, any ideas and how to fix it
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use big hose clamps on the haggers to help hold it up
i have one at the black bracket by the bottom of the dp do u think its my gaskets
i dont know what u are asking please rephase
goats srt said:
i dont know what u are asking please rephase

i think i have a gasket in between my dp and the o2 and in between the o2 and the mani, is there supposed to be one in between the mani or no?

i also just bought and hooked up my wideband was there supposed to be like calabration to the sensor or no
ok there should be a gasket between the head to mani than mani to 02 housing than 02 housing to down pipe. What wideband do u have and where do u have the wideband senser
LVOBSRT said:
goats srt said:
i dont know what u are asking please rephase

i think i have a gasket in between my dp and the o2 and in between the o2 and the mani, is there supposed to be one in between the mani or no?

i also just bought and hooked up my wideband was there supposed to be like calabration to the sensor or no
There is NO gasket between the exhaust manifold and the 02 Housing. There IS a gasket between the O2 Housing and the Down Pipe.
yeah juan thats what i thought i think that might be my problem
and goats srt i have the aem and the sensor is after my res witch is right after the flex head, were the exhaust sensor is at
LVOBSRT said:
yeah juan thats what i thought i think that might be my problem
and goats srt i have the aem
Well if you end up needing to replace the gasket the MOPAR part number is #4881012-AB and it should cost you $12.49.
[vu]juan said:
LVOBSRT said:
yeah juan thats what i thought i think that might be my problem
and goats srt i have the aem
Well if you end up needing to replace the gasket the MOPAR part number is #4881012-AB and it should cost you $12.49.
replace a gasket i need to take out? or is burnt up
took everything apart found out a stud came out so there is the exhaust leak, fixed it but im still getting the 14.7 to 15.9 at idle then starts kreping to 16 then shoots to 13 then down to 17.8 and plays all over the place
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