Question about 2004 Volkswagen Golf

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Hi I have a Golf 5 fsi 1.4 with problem on the Nox sensor. Does it get any repair or can i clean it? the new one costs about 450 Euro it is too expensive?What can i do?

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Posted on Jan 02, 2017

salvidordali
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SOURCE: NOX SENOR

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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Vw golf se fsi 2006 30,000 miles. exhaust warning light on


If it is the 1.6 FSI model, it is very sensitive to the type of gasoline, it should be octane 97 or higher.
Very commonly, owners of this model use the 95 Octane gasoline, which seems to work ok, but the sensors in the exhaust (yellow motorwarning light) will eventually (can take a few years) clog up and you cant clean it or change the sensor easy either as you need to remove the whole exhaust system.

So either you let VW fix this for you (expensive) or you do it yourself (need a decent garage, equipment and a new sensor).

//kneron

Feb 26, 2011 | 2006 Volkswagen Golf

2 Answers

Hello ! As I bought my VW Golf Mk4 (model 2003) 1.6 FSI 16v few months ago, I have just realised there are some problems that need to be solved. First of all, the engine light came on and after computer...


17443 Nox signal implausible, 17441 Nox sensor Signal too low,
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
bolted to the underside of the floor (o/s seat area) under the black
plastic protector

there is a workshop recall for this fault, Humidity in the Nox sensor Giving an implausible signal

a new sensor is needed if the production date on its sticker is before week 41/04



P/N of new item - 03C907807 D

also a software update is required if the engine code is BLP

here is a list of the possible codes this fault can cause17443/P1035 - Sensor for Nox (G295): Signal Implausible Possible Symptoms . MIL on Possible Causes . Sensor for Nox (G295) faulty Possible Solutions

Dec 15, 2010 | 2003 Volkswagen Golf

1 Answer

I have a vw golf mk 5 2.0 sdi, when engin starts, the whole engine shakes untill I drive the car. The after 3500 revs in some gears the car seams to ****!!


Check the VAG code. I had the same problem with my MK V 1.4 FSI. Let me guess when you rev it, it dusnt shake anymore?

It might be one of your cylinders are misfiring. And this might be faults with spark plugs, coil pack or the injector. You'll be lucky if it is the first two as they aren't much expensive to repair. It will cost you if it is the injectors.

Feb 14, 2010 | 2004 Volkswagen Golf

2 Answers

My Audi A2 1.6fsi shows fault code relating to knox and lambda sensors are the two connected in any way. Mechanic said that it was one of the lambda sensors first now he is referring to a knox sensor. I...


The Nox sensor fits after the catalyst (non FSi models had a rear lambda) the lambda on your car is near the engine and has 5 wires because it is a broardband type.
The Nox sensor is a common fault on all FSi models

Nov 18, 2009 | 1996 Lexus ES 300

2 Answers

2006 golf 1.4 fsi-


Hi, just a random idea: are all the cables to the plugs okay? If there is no ignition, the problem could be there.

Oct 08, 2009 | 2006 Volkswagen Golf

1 Answer

NOX SENOR


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.

Jan 08, 2009 | 1991 Volkswagen Jetta

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