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.
2010 Mazda 6 V6-3.7LFACTORY OEM SERVICE PROCEDURE
Accelerator Pedal Position Sensor: Testing and Inspection
ACCELERATOR PEDAL POSITION (APP) SENSOR INSPECTION [MZI-3.7]
Sensor Output Value Inspection
1. Switch the ignition to ON.
2. Inspect the following items using the PID/DATA monitor function. Diagnostic Monitoring Test Results
- Verify that the sensor output value change smoothly while throttle valve is gradually depressed.
- APP1
- APP2
- If verified, go to the next step.
- If not as verified, replace the accelerator pedal. Service and Repair
- Verify that the sensor output value is as indicated in the table below according to the condition of the accelerator pedal.
- APP1
- APP2
- If not as verified, replace the accelerator pedal. Service and Repair
Specification
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
