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.
Primary Fuel Tank Module
The primary fuel tank module is located inside of the right side of the fuel tank and contains a reverse flow check valve. The check valve and the fuel pressure regulator maintain fuel pressure in the fuel feed pipe and the fuel rail in order to prevent long cranking times. The primary fuel tank module also consists of the following major components:
- The fuel level sensor (4)
- The fuel pump and reservoir assembly
- The fuel strainer
- The primary jet pump
- The secondary jet pump
- The fill limiter vent valve (6)
- The fuel tank pressure sensor (1)
- The fuel filter (3)
- The fuel pressure regulator (5)
- The fuel transfer pipe (2)
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.