Does Valvoline Check Engine Light for Free

Valvoline Instant Oil Change (VIOC) typically does not offer free diagnostic services for a Check Engine Light (CEL) like some auto parts stores do (e.g., AutoZone or O’Reilly). However, some Valvoline locations may offer basic OBD-II scanning as a courtesy service, but it’s not their standard practice. What Valvoline Typically Offers What to Do If…