i bought a 92 fj80 with the intentions to fix it up, its running very rich (black smoke out the tail pipe) i replaced the spark plugs cap and rotor and will aloso replace thw wires wehn they come in at the parts store tomorrow replacing them really helped it run better. it has no gas cap at the tiime there is a check engine light i jumped the te1 and e1 but on the dash it never blinked thoughts?