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MB Paul
MB Paul, Mercedes Technician
Category: Mercedes
Satisfied Customers: 3567
Experience:  Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes
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I have a loss of power and revs, When I accelarate It will

Customer Question

I have a loss of power and revs
JA: Thanks. Can you give me any more details about your issue?
Customer: When I accelarate It will only go so far around 2000 rpm then the power and revs fall away
JA: OK got it. Last thing — Mercedes Mechanics generally expect a deposit of about $18 to help with your type of question (you only pay if satisfied). Now I'm going to take you to a page to place a secure deposit with JustAnswer. Don't worry, this chat is saved. After that, we will finish helping you.
Submitted: 9 months ago.
Category: Mercedes
Expert:  Lou P. master tech replied 9 months ago.

Hello, my name is***** and i will do my best to assist you.

What year and model do you have and is there a check engine light on?

Customer: replied 9 months ago.
It's 2009 sprinter, no check engine light.
Expert:  Lou P. master tech replied 9 months ago.

ok, have you tried manually shifting gears from 1-6? to see if the revs change?

Customer: replied 9 months ago.
even loses revs when not in gear.
Customer: replied 9 months ago.
Think it is the EGR valve, would that cause this problem?
Customer: replied 9 months ago.
Hello lou?
Customer: replied 9 months ago.
I'm burning daylight lou?
Expert:  Lou P. master tech replied 9 months ago.

ok, sorry i am here

Expert:  Lou P. master tech replied 9 months ago.

ok you need to watch the turbo actuator to see if the vanes are being turned off, there is a rod that functions the turbo , if there is a issue then the ecm will shut off the turbo.

Expert:  Lou P. master tech replied 9 months ago.

if the rpms are cutting off then there has to be fault code, stored or current. what kind of scanner are you using if any?

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