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HOMESERVICE MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1 (ENGINE CONTROLS - SYSTEM & COMPONENT TESTING)EMISSION SYSTEMS & SUB-SYSTEMSEVAPORATIVE SYSTEM LEAK INSPECTION USING LEAK TESTERLEAK INSPECTION
2010 Mazda 5 Sport, 2.3 L, Standard

Leak Inspection

2010 Mazda 5 Sport, 2.3 L, StandardSECTION Leak Inspection
WARNING: This page is about a different car, the 2001 Mazda Protege, 2001 Mazda Millenia, 2001 Mazda MX-5 Miata, 2001 Mazda MPV, and 2001 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
  1. Press RESET switch to set left display reading to 0.0.
  2. Connect fuel cap test adapter (part of SST) to manifold assembly and fuel-filler cap from vehicle. If fuel-filler cap is not a Mazda part, replace it.
  3. Connect threaded test adapter (part of SST) to manifold assembly and fuel-filler neck.
  4. Connect scan tool to DLC-2.
  5. Turn ignition switch on, engine off.
  6. Close Canister Drain Cut Valve (CDCV) using ON BOARD DEVICE CONTROL function.
    NOTE: CDCV is closed for 10 minutes unless any of following action is done:
    • Engine is started.
    • Ignition switch is turned off.
    • Fuel tank pressure sensor signal exceeds 1.9 in. Hg.
  7. Turn control valve to FILL position.
  8. Wait (maximum 40 seconds) until left display reads 13.5 to 14.0 inches of water.
    • If reading is slightly below, adjust reading using regulator knob.
    • If reading is far below, EVAP system has large leak. Check for leak using ultrasonic leak detector if necessary. Repair as necessary.
  9. Turn control valve to TEST position and press START switch.
  10. After 2-minute countdown (left display) is completed, check test result (FAILED/PASSED light on tester).
    • If Green light turns on, EVAP system is OK.
    • If Red light turns on, EVAP system has leakage.
  11. Check for leak using ultrasonic leak detector and repair.
  12. Close gas cylinder valve.
  13. Turn control valve to FILL position.
  14. Press ON/OFF switch to turn off tester.
RENDER: 1.0x

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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.