fastbob67

Hello guys I'm a Lil new to the site . In need of some help having some issues with a f150 that seems firing order is not correct . I have replaced new plugs wires cap and rotor and also all smog and vacuum lines . Truck started to run very rough at idle and also it stated to miss and crack and backfire a Lil after I changed the order of the firing order. I just don't know we're to start all help would be helpful . I'm in California you can call or text me at 714-864-7974