FUEL PRESSURE REGULATOR

1991 Mercedes Benz 300e

Tiny

v-tech

October, 8, 2010 AT 5:56 PM

Engine Performance problem
1991 Mercedes Benz 300e 6 cyl Two Wheel Drive Automatic

where is the fuel pressure regulator at on a 1991 mercedes-benz 300E with a V6 3.0

FOUND 228 RELATED QUESTIONS

4 Answers

Tiny

Dr Loot

October, 9, 2010 AT 12:53 AM

You'll find it on the fuel rail where the injectors are, it will have a vacuum hose going to it, but I don't think that's your problem, pressure regulators almost never fail, have you performed a vacuum test on it? Start out by replacing the fuel filter then check the fuel pressure

Tiny

v-tech

October, 13, 2010 AT 5:45 PM

Would the fuel pressure regulator make my car not run right. And it run to high

Tiny

Dr Loot

October, 14, 2010 AT 1:14 AM

Yes.... No.... if the vehicle is idling too high it maybe a vacuum leak, check all of hoses make sure they are in good condition, without more information I can not help you. Please fill out the following form:


http://www.2carpros.com/forum/automotive_pictures/307270_check_sheet_2.jpg

Tiny

Dr Loot

October, 14, 2010 AT 1:16 AM


http://www.2carpros.com/forum/automotive_pictures/307270_check_sheet_3.jpg

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