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Check engine light after Fast Intentions TP install

It's plugged in and all the wires look fine. Could the sensor just have gone bad?? I have erased the code and it immediately comes back on along with the

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Old 04-26-2015, 03:20 PM   #6 (permalink)
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Default Check engine light after Fast Intentions TP install

It's plugged in and all the wires look fine. Could the sensor just have gone bad?? I have erased the code and it immediately comes back on along with the P0031 sensor heater code.

Also, anyone notice a little more rev hang with test pipes?? Maybe because of less back pressure? When in gear and I lift off the throttle the revs hang way more than before test pipes. Only other thing I can think of is the a/f sensor is causing it. Its really hesitant at low speeds too.

Anywho.. I found an OE Denso upstream a/f sensor on Amazon for $86+ free shipping. Will install and report back. Hoping the engine light goes away and the car drives normal again.


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Last edited by 4TthAnnyZ; 04-26-2015 at 04:41 PM.
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