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 How to Diagnose the Check Engine on a VW Jetta?

Answer The "check engine" light on your VW Jetta comes on because there is regular maintenance required or there is a failure of one of your Jetta's critical engine, fuel or emissions components. The on-b... Read More »
http://www.ehow.com/how_5879632_diagnose-check-engine-vw-jetta.html

Top Q&A For: How to Diagnose the Check Engine on a VW Jetta

Diagnose Check Engine Light Problems?

All vehicles from the mid-1970s to the present day use a central computer for engine management. This management is used to control all functions of the engine as well as making the vehicle environ... Read More »
http://www.ehow.com/how_4674070_diagnose-check-engine-light-problems.html

How to Diagnose Your Check Engine Light Problem for Free?

Prior to 1996, different makes and models used different types of computer programming and self-diagnosis protocols collectively referred to as Onboard Diagnostics, Series I. These dozens of differ... Read More »
http://www.ehow.com/how_5077543_diagnose-check-engine-light-problem.html

How to Diagnose Check Engine Light on 2002 Impala?

The check engine light on the 2002 Chevrolet Impala comes on when the computer stores a code, which happens when a component -- usually a sensor or sender -- malfunctions. Since you can't see when ... Read More »
http://www.ehow.com/how_8383694_diagnose-engine-light-2002-impala.html

How to Read the Check Engine Light of My Jetta?

Volkswagen Jettas sold in America have On Board Diagnostic (OBD) coding systems that are mandated by law. Europe also has a version of these codes, either way, if the "Check Engine" light has come... Read More »
http://www.ehow.com/how_7375878_read-check-engine-light-jetta.html


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