Fuel Charging and Controls

Fuel Charging and Controls

Inspection and Verification
1. Verify the customer concern.
2. Visually inspect for obvious mechanical or electrical faults.

Mechanical Electrical
^ Fuel leaks
^ Damaged fuel lines ^ Fuses
^ Damaged push connect ^ Inertia switch
fittings
^ Fuel level ^ Loose or corroded electrical connectors
^ Fuel contamination/ ^ Harnesses
grade/quality
^ Throttle body ^ Sensor(s)
^ Damaged fuel tank ^ Engine control module (ECM)
filler pipe cap
^ Damaged fuel tank filler pipe

3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. Use the approved diagnostic system or a scan tool to retrieve any diagnostic trouble codes (DTCs) before moving onto the symptom chart or DTC index.
^ Make sure that all DTCs are cleared following rectification.

Make sure that all DTCs are cleared following rectification.