Try taking out the air filer, maybe it is starved of air. I had a friend with this problem, he took out the air filter and it was pitch black. It fired right up after that. I dunno, just trying to help, good luck
1995 Contour LX (ATX)
KKM True Rev Sport Induction ( Video )
Alpine CDA-7894 / JBL 1200W AMP
12" MTX Subs 5x7 Alpine Mids
Brullen mandrel bent quasi-dual exaust