2003 Volkswagen Jetta Q&A
2003 Volkswagen Jetta Question: Check engine light flashes, would go over 30 mph
Check engine light flashes, would go over 30 mph - Visitor
Search for "Check Engine Light" on the Encyclopedia (http://repairpal.com/encyclopedia) If the Check Engine Light flashes is a warning that the engine computer has detected a misfiring and that will damage another components of the emission-control system. Have your vehicle inspected as soon as possible. - fernando
a flashing check engine light means the car is misfiring. driving like this can cause cat damage! vw and audi have recalls for defective ignition coils which are responsable for over 90% of all misfires on these cars. take it to the dealer, if its coils the repair (including diagnostics) is FREE - some guy
You might need a new catylitic converter. DOnt drive the car until its changed you could throw a crank bearing - Visitor
...the battery and the parts that the computer said were faulty. The catalytic converter and the crankshaft position sensor. After replacing both of these, the car ran great for a day. The next morning it would not st...