Crank but no fire

Discussion in 'Chevy Tahoe Forum (GMC Yukon, Cadillac Escalade)' started by trailchaser, Mar 17, 2014.

  1. trailchaser

    trailchaser New Member

    Hello, I have an '01 Yukon 5.3 that recently started to give me problems. I recently replaced the knock sensors, spark plugs & wires, and fuel filter. After a test drive, thankfully in my driveway, it sputtered and died. Got the dreaded random misfire trouble code. Now it wont start at all, like it's not getting any fuel. (replaced fuel filter after this problem started btw). I can hear the pump prime when the key is turned on. I'm kinda leaning towards fuel injectors? My question is, if I try to test the pump pressure, is the fuel pressure release valve before or after the injectors?
  2. Pikey

    Pikey Moderator Staff Member 5+ Years ROTM Winner 5000 Posts

    The valve is located on top of the fuel rail under the plastic vortec cover. Should be on the driver side of the motor.

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