Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2013 Mazda 5 TouringFACTORY OEM SERVICE PROCEDURE
Fuel Cut Control System Inspection
- Warm up engine and idle it.
- Turn off the electrical loads and A/C switch.
- Connect the M-MDS to the DLC-2.
- Access the RPM PID. (See ON-BOARD DIAGNOSTIC TEST .)
- Listen for the fuel injector operation sound at all cylinders using the soundscope and monitor both PIDs while performing the following steps:
- Depress the accelerator pedal and increase the engine speed to 4,000 rpm .
- Quickly release the accelerator pedal (brake pedal is not depressed) and verify that the fuel injector operation sound stops, and starts again when the engine speed drops below 1,200 rpm
.
- If not as specified, inspect the following:
- ECT sensor and related wiring harness (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION .)
- TR switch and related wiring harness (See TRANSAXLE RANGE (TR) SWITCH INSPECTION .)
- If not as specified, inspect the following:
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.