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 MANUALSJEEP2002LIBERTY LIMITED EDITION 2WD V6-3.7L VIN KREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSCHECKING THE FUEL DELIVERY SYSTEM
2002 Jeep Liberty Limited Edition 2WD V6-3.7L VIN K
Checking the Fuel Delivery System
2002 Jeep Liberty Limited Edition 2WD V6-3.7L VIN KSECTION Checking the Fuel Delivery System
Tests 1 - 2:
Tests 3 - 5:
Tests 6 - 10:
SYMPTOM
CHECKING FUEL DELIVERY
POSSIBLE CAUSES
- Fuel pressure out of specs
- Restricted fuel supply line
- Fuel pump inlet strainer plugged
- Fuel pump
- Fuel pump capacity (volume) out of specs
- Fuel pump relay fused b+ circuit
- Fuel pump relay output circuit open
- Fuel pump ground circuit open/high resistance
- Fuel pump relay
- Fuel pump module
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.