Question about 2001 Volkswagen Beetle
In order to get the light out you will have to replace the rear O2 sensor.
Posted on Apr 01, 2014
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Posted on Jan 02, 2017
The error codes you have are for the O2 Sensors. There is one before and after the catalytic converter. It is usually the first O2 sensor that is the problem because the second sensor is used just to verify the converter is working. The O2 sensors are usually $60 to $130 dollars depending on the type your vehicle uses. they are located on the downpipe on the exhaust system and the other is locted after the catalytic converter on the exhaust system. The O2 sensor not working will cause you gas mileage to be reduced because the car's computer will run the fuel mixter rich.
Posted on Nov 02, 2009
Testimonial: "30 minute response"
BTW - if you have less than 100,000miles you might be able to have your cat replaced under warranty by the dealer. In Canada it's 160,000km.
Posted on Mar 16, 2009
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
SOURCE: Check Engine Light - P2181
Hi,first thing your cambelt and tensioner should have been replaced 13k miles ago,it would pay you to replace the water pump at the same time as they are known for impellor failure = cooling system fault=P2181 code,hope this helps.
Posted on Aug 06, 2009
check yahoo for code list and then dig from there start from begining and not just a random code
air in is first exhaust is last
work from begining to end
check each code put them in order then follow each code checking the source
Posted on Jan 22, 2010
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