Question about 1991 Volkswagen Jetta

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NOX SENOR WHAT IS A NOX SENSOR? CAR VW GOLF FSI.ENGINE MANAGEMENT LIGHT HAS COME ON DETECTING PROBLEM WITH NOX SENSOR.WHERE IS THE SENSOR,WHAT IS IT'S JOB?HOW MUCH DOES IT COST TO REPLACE?WHAT IS THE BEST PETROL TO RUN THE CAR ON?

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  • Anonymous Mar 14, 2014

    nox sensor location on a 2001 oldsmobile siluette

  • Anonymous Mar 23, 2014

    Nox (G295)

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I have yet to see a car with a Nitrogen Oxides(NOx) sensor on it. However I have seen Oxygen (O2) sensors. The O2 sensor monitors the remaining amount of oxygen left in your exhaust, and tells your Engine Control Unit(ECU) how much fuel to use. The sensor looks much like a stainless steel spark plug and is found in the exhaust system. Your car being a 1991 it should only have one. It will be up stream of the Catlytic converter, maybe in the Exhaust manifold. cost between 50 and 150$us.

Posted on Jan 09, 2009

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check the latest software version

is running on the engine ecu. the Nox sensor is located to the rear of the cat and has a control box
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P/N of new item - 03C907807 D

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