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.
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HOMESERVICE MANUALSMAZDA20132 SPORT, 1.5L ENG VIN Y, STANDARD TRANSREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMSYMPTOM TROUBLESHOOTING [ENGINE CONTROL SYSTEM MZR 1.5]ENGINE CONTROL SYSTEM OPERATION INSPECTIONFUEL CUT CONTROL SYSTEM INSPECTION
2013 Mazda 2 Sport, 1.5L Eng VIN Y, Standard Trans
Fuel Cut Control System Inspection
2013 Mazda 2 Sport, 1.5L Eng VIN Y, Standard TransSECTION 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 and FUELPW PIDs. (See
ON-BOARD DIAGNOSTIC TEST [MZR 1.5]
).CAUTION:
- While performing this step, always operate the vehicle in a safe and lawful manner.
- When the M-MDS is used to observe monitor system status while driving, be sure to have another technician with you, or record the data in the M-MDS using the PID/DATA MONITOR AND RECORD capturing function and inspect later.
- Monitor both PIDs while performing the following steps:
- Drive the vehicle with the engine speed is 4,000 rpm .
- Release the accelerator pedal (brake pedal is not depressed) and verify that the fuel injector duration time is 0 ms
, and 2-5 ms
when the engine speed drops 1,200 rpm or less
.
- If not as specified, inspect the following:
- ECT sensor No.1 and related wiring harness (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION ).
- CPP switch, Neutral switch and related wiring harness (MTX) (See CLUTCH PEDAL POSITION (CPP) SWITCH INSPECTION ). (See NEUTRAL SWITCH INSPECTION ).
- TR switch and related wiring harness (ATX) (See TRANSAXLE RANGE (TR) SWITCH INSPECTION ).
- If not as specified, inspect the following:
RENDER: 1.0x
NO RELATED
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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.