V10 fuel pressure - Club Touareg Forums
 
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post #1 of 2 Old 03-06-2019 Thread Starter
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V10 fuel pressure

Hi Guys
Measuring the fuel pressure after the fuel filter before the mechanical pumps on my 2008 R50. Fuel pressure is around 7psi that I believe to be correct. I am using a mechanical fuel pressure gauge for the test. Above 1500RPM the gauge pulses / flickers more than 5 psi either side of the test pressure. Is this normal???

2008 R50
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post #2 of 2 Old 04-16-2019
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I couldn't tell you if that is normal or not. I don't have a way of checking the fuel pressure without making some custom lines to measure it. Are you having a problem that you are trying to diagnose, or just checking fuel pressure for fun?

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2004 V10 TDI, Colt Stage 2 Cams, 211K Miles
2008 V10 TDI, 92K Miles
2015 Audi Q7 3.0 TDI, 52K Miles
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