Usually a problem in the emission control system - have vehicle scanned to determine the problem
The most common causes of check engine light malfunction are a faulty oxygen sensor, loose or faulty gas cap, or a faulty catalytic converter. These are all easily fixed problems.
Your VW Beetle check engine light comes on when there is a problem with one of a number of sensors on the vehicle. Take the car to the dealership to have them determine the engine problem and reset the light.
it is on because the ECU has detected a problem with the emissions system.
It could be anything, but the most common problem is the O2 sensor.
There are pages and pages of causes for the check angine light. Have it checked fro codes with a scan tool.
Usually if im working on an engine that a cylinder is missing. I first check to see if there is spark to that plug. if thers no spark, then its either a plug wire or distributer cap problem. then check the plug, if you got the plug sparking, you may have engine trouble
common problem with 1998 mystique check engine light on
The type I Beetle engine was used in the VW bus (with slight mods) from 1950 to 1971. In 1972, the bus received the new type IV engine, although certain counrties continued to use the type I Beetle motor. So yes. Check your flywheel to ensure it is the correct one.
Check your catalytic converter first. Most common cause. Google is your friend.
depends upon your engine and climate - check the back of the owner's manual.
After repairing the cause of the code, you clear the code with a scan tool.