2004 Volkswagen Jetta GLS 4 Cyl 1.8L
My check engine light went on while I was on the hwy. there is no change in speed but what can it possibly mean?
Engine light stays on jetta 2004
First step - have the check engine light or stored fault codes scanned - for free - at any local auto parts store; Advance Auto, Auto Zone, NAPA. Then, post a reply as 'add answer' for more assistance.