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.
2014 Mazda 3 SV, Automatic TransFACTORY OEM SERVICE PROCEDURE
Symptom Troubleshooting - Engine Controls
- Foreword
- Symptom Diagnostic Index
- Control System Device And Control Relationship Chart
- Quick Diagnostic Chart
- No. 1 Blown Fuses
- No. 2 Check Engine Light Illuminates
- No. 3 Will Not Crank
- No. 4 Hard To Start/Long Crank/Erratic Start/Erratic Crank
- No. 5 Engine Stalls-After Start/At Idle
- No. 6 Cranks Normally But Will Not Start
- No. 7 Engine Oil Warning Light Illuminated/Message Related To Engine Hydraulic Pressure Malfunction Indicated In Display
- No. 8 Engine Runs Rough/Rolling Idle
- No. 9 Fast Idle/Runs On
- No. 10 Low Idle/Stalls During Deceleration
- No. 11 Engine Stalls/Quits, Engine Runs Rough, Misses, Buck/Jerk, Hesitation/Stumble, Surges
- No. 12 Lack/Loss Of Power-Acceleration/Cruise
- No. 13 Knocking/Pinging-Acceleration/Cruise
- No. 14 Poor Fuel Economy
- No. 15 Emission Compliance
- No. 16 High Oil Consumption/Leakage
- No. 17 Cooling System Concerns-Overheating
- No. 18 Cooling System Concerns-Runs Cold
- No. 19 Exhaust Smoke
- No. 20 Fuel Odor (In Engine Compartment)
- No. 21 Engine Noise
- No. 22 Vibration Concerns (Engine)
- No. 23 A/C Does Not Work Sufficiently
- No. 24 A/C Is Always On Or A/C Compressor Runs Continuously
- No. 25 Exhaust Sulphur Smell
- No. 26 Fuel Refill Concerns
- No. 27 Fuel Filling Shut Off Concerns
- No. 28 Spark Plug Condition
- Intermittent Concern Troubleshooting
- Engine Control System Operation Inspection
- Main Relay Operation Inspection
- Intake Manifold Vacuum Inspection
- Electric Variable Valve Timing Driver Control System Inspection
- Engine Oil Solenoid Valve Control System Inspection
- Drive-by-wire Control System Inspection
- Fuel Injector Operation Inspection
- Fuel Cut Control System Inspection
- Fuel Pump (Low-pressure Side) Operation Inspection
- Fuel Pump (Low-pressure Side) Control System Inspection
- Spark Test
- Purge Control System Inspection
- A/C Cut-off Control System Inspection
- Cooling Fan Control System inspection
- Hydraulic Variable Valve Timing Control System Operation Inspection
- Evaporative Emission (EVAP) System Leak Inspection
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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