V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters

P1152

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Dec 5, 2021 | 09:29 PM

#1

Carrieg

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Joined: Dec 2021

Posts: 1

From: Wa

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P1152

I have this code coming up my car is running really bad. I've changed all the o2 sensors and after reading some of the posts on here some have said it could be if the exhaust was modified. Mine was by the previous owner. So what do I do? Please someone help

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Dec 6, 2021 | 01:02 AM

#2

Derf00

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Joined: Feb 2005

Posts: 13,189

From: AZ

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Could be an exhaust leak. Look for black soot around the exhaust connection points upstream of the O2 sensors.

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