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HOMESERVICE MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 332 (SYMPTOM TROUBLESHOOTING (ENGINE CONTROL SYSTEM L3))NO. 6 CRANKS NORMALLY BUT WILL NOT STARTNOTES
2008 Mazda 6 s Sport, 4D Hatchback, Standard

No. 6 Cranks Normally But Will Not Start: Notes

2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Notes
WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DESCRIPTION & POSSIBLE CAUSE

6 CRANKS NORMALLY BUT WILL NOT START
DESCRIPTION 
  • Starter cranks engine at normal speed but engine will not run.
  • Refer to symptom troubleshooting "NO. 5 ENGINE STALLS " if this symptom appears after engine stall.
  • Fuel is in tank.
  • Battery is in normal condition.
POSSIBLE CAUSE 
  • No battery power supply to PCM
  • Air leakage from intake-air system
  • Open PCM GND or vehicle body GND
  • Improper operation of electronic throttle control system
  • EGR valve malfunction
  • No signal from CKP sensor due to sensor, related wire or incorrect installation
  • No signal from CMP sensor due to sensor, related wire or incorrect installation
  • Low engine compression
  • Engine overheating
  • Vacuum leakage
  • Ignition system malfunction
  • Spark leakage from high-tension leads(1)
  • Improper air/fuel mixture ratio control
  • Poor fuel quality
  • PCV valve malfunction
  • Air cleaner restriction
  • Restriction in exhaust system
  • Disconnected electrical connector
  • Open or short circuit in fuel pump body and related harness
  • Inadequate fuel pressure
  • Fuel pump mechanical malfunction
  • Fuel leakage from injector
  • Fuel injector is clogged.
  • Purge solenoid valve malfunction
  • Spark plug malfunction
  • Ignition coil malfunction
  • Improper variable valve timing control system operation
  • Improper valve timing
  • Immobilizer system (PATS) and/or circuit malfunction
  • Pressure regulator malfunction
    WARNING: The following troubleshooting flow chart contains the fuel system diagnosis and repair procedures. Read the following warnings before servicing the fuel system:
    • Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.
    • Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete "BEFORE REPAIR PROCEDURE" and "AFTER REPAIR PROCEDURE" described in the repair information.

      (See BEFORE REPAIR PROCEDURE .)

      (See AFTER REPAIR PROCEDURE .)

    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.