Check engine light, sensors (includes O2 or oxygen sensor), emission control devices (includes EGR), engine computer, engine computer, fuel cap, fuel gauge/sender, fuel injection system, fuel pump, fuel leaks, stalling or hesitation.
What Owners Say
“car has two o2 sensors which are unreliable . They are prone to failure”Anonymous, PR (2003 Mazda MX-5 Miata Base 1.8-L 4 Cyl)
“Leak cannot be detected but the check engine light comes on after about 400 miles after being turned off”Jean R., GA (2003 Mazda MX-5 Miata LS 1.8-L 4 Cyl)
“I replaced this sensor myself for $75 part cost”Gary B., NC (2003 Mazda MX-5 Miata SE 1.8-L 4 Cyl)
“Replaced. Check engine lights appear few months afterwards.Changed fuel cap. Problem disappears for a couple of months and then reappears again. A continuous nuisance”Anonymous, PR (2003 Mazda MX-5 Miata Base 1.8-L 4 Cyl)