For Michael Warholic, Ph.D., Director of Light Duty Lubricants at Valvoline, creating the best, most innovative motor oils for today’s engines is an ongoing process. Valvoline...
The customer said that the engine keeps running when he turns the ignition key off. Everything else shuts off except the malfunction indicator light (MIL), and the engine continues...
When a customer has a vehicle with a check engine light glowing, and the OBD-II reader shows a P0420 or related (P0421, P0430, P0431) code, it’s probably because there’s an issue...