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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 23 (ENGINE CONTROLS - BASIC DIAGNOSTIC PROCEDURES)FUEL SYSTEMPRELIMINARY CHECKSENGINE CRANKS BUT WILL NOT START
2010 Mazda 5 Sport, 2.3 L, Standard
Engine Cranks But Will Not Start
2010 Mazda 5 Sport, 2.3 L, StandardSECTION Engine Cranks But Will Not Start
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2002 Mazda Tribute, 2002 Mazda Protege5, 2002 Mazda Protege, 2002 Mazda Millenia, and 2002 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
- Check fuel tank contents and fuel gauge accuracy. Check for dirt, water or contamination in fuel.
- Check fuel lines and fittings for leaks. If no leaks are found, check fuel delivery system for proper pressure and volumes. Reset Inertia Fuel Shutoff (IFS) switch (if necessary).
- Check for damaged or contaminated fuel injector wiring harness and connector. Ensure fuel injectors pulse when engine is cranked.
- Check ignition system for strong spark at spark plugs. If spark is not present or if spark is weak, proceed as follows:
- On all EEC-V models, go to TEST JE in appropriate SELF-DIAGNOSTICS article.
- On all others, go to appropriate SELF-DIAGNOSTICS article.
- Check engine compression.
- Check valve timing.
- Check for overheating engine.
- Check for intake air system leak.
- Check operation of Idle Air Control (IAC) valve.
- Check for damaged or faulty crankshaft pulley and Crankshaft Position (CKP) sensor.
Repair as necessary.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.