1999 Chevrolet S10 Q&A

1999 Chevrolet S10 Question: why is my 99 s-10 pickup misfiring while driving and idoling.and engine light

the engine light is on, and truck is misfiring -
Answer 1
Having this problem now. My battery is low so need new battery, spark plug 6 is missing firing, and my thermastat is being redone or a new one, not really sue what they do. Costing me $490.00 to get all done. -