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 MANUALSSUZUKI2013SX4 CROSSOVER, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISENGINE PERFORMANCEFUEL DELIVERYFUEL SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESFUEL SYSTEM INSPECTIONTROUBLESHOOTING

2013 Suzuki SX4 Crossover, Automatic CVT Trans

Fuel System Inspection: Troubleshooting

2013 Suzuki SX4 Crossover, Automatic CVT TransSECTION Troubleshooting

FUEL SYSTEM TROUBLESHOOTING REFERENCE CHART

Step	Action	YES	NO
1	Fuel pump inspection Remove fuel filler cap and turn ignition switch to ON position. Confirm that fuel pump operating sound is heard from fuel filler port for about 2 sec. and then it stops. Is it in good condition?	Go to Step 2.	Check fuel pump circuit. See Fuel Pump and Its Circuit Check
2	Fuel pressure check Check fuel pressure. See Fuel Pressure Check Is it in good condition?	Go to Step 3.	Repair or replace defective part.
3	Power balance test Check power balance. See Power Balance Test Is it in good condition?	Fuel system is in good condition.	Go to Step 4.
4	Fuel injector circuit check Check fuel injector circuit. See Fuel Injector Circuit Check Is it in good condition?	Go to Step 5.	Repair or replace defective part.
5	Fuel injector check Check fuel injector. See Fuel Injector Inspection Is it in good condition?	Substitute a known-good ECM and recheck. See ENGINE CONTROL MODULE (ECM) REMOVAL AND INSTALLATION	Replace fuel injector.

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.