The mazda6 had a bad coil and a camaro had a bad plug wire. 1  04 Mazda6 S for daily use 735rwhp vette for play. 2  To view links or images in signatures your post count must be 10 or greater. 3  2004 Mazda 6s MTX. 4  To view links or images in signatures your post count must be 10 or greater.