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.
Capacity (Volume) Test
Relieve fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE under FUEL PRESSURE . Disconnect fuel supply line from fuel rail. Connect 3/8" Fuel Line Pressure Test Adapter (6631) to fuel supply line. Insert other end of test adapter into a graduated container suitable for gasoline. Connect scan tool to Data Link Connector (DLC). Using scan tool, activate fuel pump. Volume of fuel should be one pint (.47L) in 30 seconds. If fuel volume is not as specified, check for a plugged fuel filter, kinked fuel line or fuel pump tank module.
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.