Question about 2000 Volkswagen Golf
Where please is this sensor located on the engine? I have a replacement part.
Also if I need to remove it ,how does the airfilter come off?
I am resonably competant at vehicle rapairs
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Posted on Jan 02, 2017
SOURCE: 2003 VW Golf - O2 Sensor?
Honestly it is not very expensive to replace, but it is not extremely important. What it does is measure the oxygen/fuel level coming out of the engine. This tells the computer that the engine is either using the right air/fuel mixture or allows the computer to change the mixture slightly to allow the car to run properly. You could pull the sensor out and clean the terminal as it usually has alot of carbon build up due to its location, but this is normally a temporary fix. I hope this helps you with your problem.
Posted on Jul 23, 2009
Yes you have a problem with wiring for the O2 sensor shorting out somewhere in the line. It could be anywhere from the sensor to the ECU. Make sure there are no breaks, burns, or crushed parts of the wiring.
Posted on Feb 02, 2010
Your most probable cause for this is because your water valve needs replacement or repairing. Not all cars have a water valve that brings the heated coolant into the heater core unit.
Essentially, the heated coolant is brought from the engine block directly, into a mini radiator that has a fan to blow heated air into your vehicles cabin.
If that valve were clogged, or the switch itself to open up the water valve that blocks the coolant from going into the heater core unit, then you wont be able to get heat from the vents.
ALSO, another reason why your car might also be overheating as well, is you need to check your coolant levels as well to make sure it is fully filled up, if it is, then your thermostat might also need replacement.
good luck with your problem.
Posted on Apr 06, 2010
The oxygen sensor, (also called the lambda sensor), is right after the exhaust manifold, which is on the back side of the engine, so you need to reach it from underneath.
However, it is expensive, so you may want to take it out carefully and simply have it checked first.
With an ohmmeter you can tell if it is burned out.
0 or infinite ohms is bad.
I believe it should be around 1500 ohms, but don't remember exactly.
The other thing is deposits like carbon can make it ineffective, and can be cleaned sometimes.
If you put a new one in, a little antizsieze is a good idea, but don't put on much, because you don't want to contaminate the sensor. Just enough to make removal easier. Remove and clean it every year.
Posted on May 06, 2010
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