O2 sensor issues

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Nov 17, 2024 | 01:30 PM

S197buci

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Joined: November 17, 2024

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O2 sensor issues

Hello,
I have a 2014 Mustang Gt with BBK long tube headers. It has been tuned and running great for over two years. Recently I started having issues with accelerating at about 2500 rpm. Sent a data log to the tuner and they said it was the o2 sensors. I switched the o2 sensors and it worked great for about a day or two and now same thing. Any suggestions? Thank you

Nov 17, 2024 | 01:49 PM

m05fastbackGT

SUPERCHARGED RED ROCKET ------------------Master-Moderator

Joined: May 11, 2006

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From: Carnegie, PA

Knowing that your running long tube headers, are the 02 sensors disabled in the tune? if not, this could possibly be the reason for your acceleration issues...
Otherwise, I would make certain your 02 sensors that you switched are functioning properly...

Last edited by m05fastbackGT; Nov 17, 2024 at 01:50 PM.

Nov 17, 2024 | 02:40 PM

05stangkc

Administrator clevparts@aol.com

Joined: November 27, 2004

Posts: 12,515

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From: Visalia Ca.

Have You Tried Pulling Codes?

And if So is Your Reader Capable of Pulling B-Codes as Well as P-Codes?

Also Consider an 02 Issue Could Also Be in Wiring To 02 Sensor and Also These Days Bad Parts Are Fairly Common Place.

I Would Be Curious As To How The Plugs Looked as Well. Are They Fairly Fresh are Due For a Change?

Was Any Kind of Work Period, Done Prior to Issue Surfacing?

Kc