According to CarMD.com, the national average cost for a Check Engine fix was $378.77 last year, but ... [+] that varies from one state to another. According to CarMD.com’s annual State Repair Cost Ranking, the national average cost for a Check Engine fix was $378.77 last year, but that varies depending on where you live. "It makes sense that as people commuted less and took fewer road trips, there was less wear and tear on vehicles and fewer check engine light occurrences. Parts to rectify a Check Engine issue cost the most in Connecticut last year at an average $268.70, while those living in auto-friendly Michigan were charged $202.16 per fix. Here’s what you’ll pay, on a state-by-state basis, for an average Check Engine-indicated repair, listed high to low:

Source: Forbes July 13, 2021 18:33 UTC