How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask MB Paul Your Own Question
MB Paul
MB Paul, Mercedes Technician
Category: Mercedes
Satisfied Customers: 3567
Experience:  Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes
15777119
Type Your Mercedes Question Here...
MB Paul is online now
A new question is answered every 9 seconds

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: 12 months ago.
Category: Mercedes
Expert:  Lou P. master tech replied 12 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 12 months ago.
It's 2009 sprinter, no check engine light.
Expert:  Lou P. master tech replied 12 months ago.

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

Customer: replied 12 months ago.
even loses revs when not in gear.
Customer: replied 12 months ago.
Think it is the EGR valve, would that cause this problem?
Customer: replied 12 months ago.
Hello lou?
Customer: replied 12 months ago.
I'm burning daylight lou?
Expert:  Lou P. master tech replied 12 months ago.

ok, sorry i am here

Expert:  Lou P. master tech replied 12 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 12 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?