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.

2019 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE

Check High-Pressure Fuel Pump

Check that the high-pressure fuel pump has no deformation, cracks or other damages.
Measure the resistance between high-pressure fuel pump terminals.

Courtesy of SUBARU OF AMERICA, INC.

Terminal No.	Standard
1 and 2	10±1 Ω (at 20°C (68°F))

Factory Service Tools

Use the Manual With the Right Hardware

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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.