2003 Volkswagen Passat GL 4 Cyl 1.80L
are the ignition coils suppossed to be too hot to touch? whats the best kind of spark plug to use?
chk eng. light keeps coming on after service. misfire,rough idle, replaced plugs and coils
First step, have the check engine light scanned - for free - at any local auto parts store such as; Advance Auto, Auto Zone, NAPA - for the stored fault code. Having the specific fault code will assist to pinpoint the problem or issue you are having.