Nitto Mid-Pipe Check Engine Light fix - Toyota Yaris Forums

Smokey159 · 10-29-2008, 09:05 AM

I wonder what the soldering of wires does to the fuel mappping, if anything.

03Z33 · 10-29-2008, 11:48 AM

Quote:

Originally Posted by Smokey159

I wonder what the soldering of wires does to the fuel mappping, if anything.

As stated above, the second O2 sensor does not affect fuel mapping in any way, it is only in place to confirm to the ECU that the catalytic convertor is in place and functioning properly. Even with this sensor completely removed your performance and fuel mileage will not change.

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10-29-2008, 09:05 AM	#1
Smokey159 Drives: Yaris Liftback Join Date: Oct 2008 Location: Lexington, KY Posts: 55	I wonder what the soldering of wires does to the fuel mappping, if anything.