Fuel pressure test?

2017 CADILLAC XTS
135,000 MILES • 3.6L • AUTOMATIC
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EDDZ
  • MEMBER
  • 1 POST
Can you tell me what the fuel pressure is supposed to be?
Sep 30, 2026 at 8:19 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,433 POSTS
Sure,

Low Pressure Side

KOEO: Ignition ON, engine OFF, command the Fuel Pump Enable On several times with a scan tool. 345.0 - 690.0 kPa

Low Pressure Side - Idling 300.0 - 400.0 kPa
Oct 1, 2026 at 6:31 PM
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