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.
Fuel System Description
The leaded or low lead fuel can result in engine damage and reduce the effectiveness of the emission control system.
The main components of the fuel system are fuel tank, fuel pump assembly (with fuel filter, fuel level sensor, fuel pressure regulator), fuel feed line and fuel vapor line.
For the details of fuel flow, refer to FUEL DELIVERY SYSTEM DIAGRAM .
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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.