W211 AMG Discuss the W211 AMG's such as the E55 and the E63

Fuel pressure regulator

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Old Jan 27, 2016 | 05:18 PM
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2005 e55 AMG
Fuel pressure regulator

I have been looking at pictures and the actual filter basket and can not figure out how the fuel pressure regulator actually works. Anyone know? I will try and get a picture.https://mbworld.org/forums/attachmen...n-img_3582.jpg Picture sucks... tried to copy it.

If you go to Return Style Fuel System Chawkins has a good picture of what I believe is the regulator.

Last edited by SICAMG; Jan 27, 2016 at 05:23 PM.
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Old Jan 28, 2016 | 02:53 AM
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2005 e55 AMG
90psi at normal driving and 75 under boost. 90 seems awfully high for normal driving with the pumps working hard for no reason in my opinion.
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Old Jan 28, 2016 | 06:50 PM
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2018 E63s AMG (Current) 2011 CL63 AMG (Sold) 2005 CLS55 AMG (Sold) 2004 C32 AMG (Sold)
Ummm I thought it was a 5.1psi fuel pressure regulator... Well it is on mine.. Not sure how yours is at 90psi
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Old Jan 29, 2016 | 11:46 AM
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2005 e55 AMG
E55's run around 75-80 from my dealings so 90 is a little high for this car.
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Old Jan 29, 2016 | 12:42 PM
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Originally Posted by SICAMG
E55's run around 75-80 from my dealings so 90 is a little high for this car.
Apologies I meant 5.1 bar.. Good old metric system
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