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 DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 41 (FUEL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESFUEL SYSTEM DIAGNOSISCIRCUIT/SYSTEM VERIFICATION
2013 Suzuki SX4 Crossover, Automatic CVT Trans
Circuit/System Verification
2013 Suzuki SX4 Crossover, Automatic CVT TransSECTION Circuit/System Verification
WARNING: This page is about a different car, the 2007 Suzuki XL7. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- Inspect the fuel system for damage or external leaks before proceeding.
- Verify that adequate fuel is in the fuel tank before proceeding.
- The fuel pump relay may need to be commanded ON a few times in order to obtain the highest possible fuel pressure.
- DO NOT start the engine.
- Ignition ON, command the fuel pump relay ON with a scan tool. You should hear the fuel pump turn ON and OFF for 3-5 seconds.
- if the fuel pump does not operate, refer to FUEL PUMP ELECTRICAL CIRCUIT DIAGNOSIS .
- Ignition OFF, all accessories OFF, install the J 37287 and J 34730-1A. Refer to INSTALLATION PROCEDURE .
- Ignition ON, command the fuel pump relay ON with a scan tool. Verify the fuel pressure is between 380-410 kPa (55-60 psi) and remains steady for 5 minutes.
- Operate the vehicle within the conditions of the customers concern while monitoring fuel related parameters with a scan tool.
- if the scan tool parameters do not indicate a lean condition, refer to SYMPTOMS - ENGINE CONTROLS .
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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.