2009 S5 Need Help Low Fuel Pressure Issue - AudiForums.com

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Old 09-21-2017, 10:22 AM
Mark Junkin's Avatar
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Default 2009 S5 Need Help Low Fuel Pressure Issue

Hi All,
I need some help. I have a 2009 Audi S5 and the EPC and check engine light keeps coming on. I have taken the car to the deal and have had them scan the car for faults. I keep getting low fuel pressure. I have changed both high pressure fuel pump, both low & high pressure fuel sensors and still am having the dame issue.

I did change cylinder number 4 fuel injector due to it being stuck open and causing a miss fire. Any toughts or suggestions would be welcome. Audi's diagnosis was to change everything. They did not know what was causing the issue.

Thanks for your help!
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Old 03-05-2018, 04:06 PM
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check engine pump
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