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 MANUALSJEEP1999WRANGLER SE, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESPECIFICATIONSENGINE CONTROLS - SERVICE & ADJUSTMENT SPECIFICATIONSFUEL SYSTEMFUEL PUMP
1999 Jeep Wrangler SE, Automatic
Fuel Pump
1999 Jeep Wrangler SE, AutomaticSECTION Fuel Pump
NOTE:
Fuel pump performance refers to regulated fuel pressure and volume availability. Mechanical fuel pressure regulator is part of fuel pump module and is not controlled by vacuum or PCM.
FUEL PUMP PERFORMANCE
| Application | Pressure psi (kg/cm2 ) | (1)Min. Vol. In 7 Sec. | ||
|---|---|---|---|---|
| All Models | 44.2-54.2 (3.1-3.7) | .5 Pt. (.25L) | ||
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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.