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Low Fuel Pressure/P0300 - 2003 GMC Yukon Denali
Hey Fless, I'm having the same issue: key "on" 54.5 psi Engine "on" 52 psi After engine "off" 56 psi after about 5 min slowly dropped 46 psi it might have kept dropping but i discounted it.- TheWhiteGhost
- Post #19
- Forum: Engine & Drivetrain
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Intro from the desk of TheWhiteGhost
Hello Everyone, I am so excited to be here. I know I will be getting great answers and 101's from some of you. Well I'm driving a 99 GMC Suburban with 115k miles on it.- TheWhiteGhost
- Thread
- Replies: 7
- Forum: Introduction
