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.
2002 Chrysler Neon LX, StandardFACTORY OEM SERVICE PROCEDURE
Fuel System Pressure Release
CAUTION:
Fuel system is under high pressure. ALWAYS release fuel pressure before attempting to open system for testing or component replacement. DO NOT allow fuel to flow onto engine or electrical parts while testing fuel system components.
- Turn ignition off. Remove fuel pump relay from Power Distribution Center (PDC). See Figure . PDC is located in engine compartment. See Figure .
- Start engine and allow engine to idle until engine stalls. Attempt restarting engine until engine will no longer run. Turn ignition off.
- Place a shop towel under fuel line quick-connector at fuel rail. Use care when disconnecting fuel lines, as some fuel pressure may still exist in fuel lines. Disconnect fuel line quick-connector. Reinstall fuel pump relay in PDC.
- One or more Diagnostic Trouble Codes (DTC) may set when fuel pump relay is removed. Using scan tool, erase any DTCs that may have set after fuel pressure release procedure.
Factory Service Tools
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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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