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HPFP on its way out?
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07-30-2018, 01:26 PM | #1 |
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HPFP on its way out?
I have been noticing a strange noise coming from where the HPFP is once the car has heated up and at idle. The noise goes away as soon as I give it gas.
Here is a short video of the noise: https://www.dropbox.com/s/piull3b8xf...74504.mp4?dl=0
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Current: 2011 BMW 335xi | Wedge Tuned | Meth | VRSF DP | VRSF 5" Intercooler | VRSF Chargepipe | BMS Intake | xHP Stg 3
Totaled:2014 Audi A4 CTS K04 APR Tuned |
07-30-2018, 05:46 PM | #2 | |
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The HPFP does suck in general tho, lol. |
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07-30-2018, 07:07 PM | #3 |
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You have to listen a little closer. There is second clicking sound. I know the ticking is from the injectors. I am trying to figure out what the second clicking is. It is almost like a rattle.
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Current: 2011 BMW 335xi | Wedge Tuned | Meth | VRSF DP | VRSF 5" Intercooler | VRSF Chargepipe | BMS Intake | xHP Stg 3
Totaled:2014 Audi A4 CTS K04 APR Tuned |
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08-07-2018, 07:27 AM | #5 | |
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Quote:
https://datazap.me/u/nrigs/log-15334...21-22-23-24-25
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Current: 2011 BMW 335xi | Wedge Tuned | Meth | VRSF DP | VRSF 5" Intercooler | VRSF Chargepipe | BMS Intake | xHP Stg 3
Totaled:2014 Audi A4 CTS K04 APR Tuned |
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08-07-2018, 07:46 AM | #6 | |
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08-07-2018, 07:53 AM | #7 | |
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https://datazap.me/u/nrigs/log-15334...og=1&data=3-13
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Current: 2011 BMW 335xi | Wedge Tuned | Meth | VRSF DP | VRSF 5" Intercooler | VRSF Chargepipe | BMS Intake | xHP Stg 3
Totaled:2014 Audi A4 CTS K04 APR Tuned |
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08-07-2018, 08:16 AM | #8 |
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Never mind I got my value wrong. I believe rail pressure should be ~2200psi at WOT. The dip you have at the beginning of going WOT looks a little strange... I don't know these cars well enough to know if it's an indication of a bad HPFP. Here's a log of mine on stock tune. You can see how the rail pressure goes up to ~2200psi and stays consistent the whole time I'm at WOT.
https://datazap.me/u/lwgrenier/613-w...a=3-4-16-17-19 |
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