Q:

What could a check engine light mean on a Mazda?

A:

A check engine light on a Mazda could indicate a number of circumstances, including more common scenarios like a wet engine, a malfunctioning 02 sensor, a mass air flow sensor that is either malfunctioning or that is off, or spark plug wires that are loose or misfiring. Depending on the model and year, there may be a specific problem, such as the 2004, 2005, 2007 and 2008 Mazda 3, which commonly has a check engine light illuminated to signal that the thermostat is stuck open.

An OBII scan tool can provide greater details and specific codes related to the Mazda's check engine light. Some examples include P1196, or ignition switch start circuit, P1309 for misfire detection monitor, P1443 for EVAP system purge flow fault and P1603 for immobilizer system fault.


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