What happens if my gas cap is left off? Why does it cause the check engine light to come on? Have I done some damage to the engine? These are very common questions, and luckily there’s an easy fix and ...

Moves by the federal government to force down gas prices for Australian consumers could include a mandatory code of conduct for major producers and a domestic price cap, Treasurer Jim Chalmers says.

Q: My car has begun to show the check engine light for a few days, about once or twice a month. It runs perfectly, and I was told by my mechanic neighbor it’s the “gas cap code.” I replaced the gas ...