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Greg, Technician
Category: Mercedes
Satisfied Customers: 7154
Experience:  Automotive diagnostic tech
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My 2005 mercedes sprinter 29000miles only will no rev over

Customer Question

my 2005 mercedes sprinter 29000miles only will no rev over 2800rpm what could be the problem?
Submitted: 1 month ago.
Category: Mercedes
Expert:  Greg replied 1 month ago.

Hi, I'm Greg (Indy-Tech).
Welcome to JustAnswer. I'm reviewing your question now, and will post back with your reply ASAP.
Rgds Greg.

Expert:  Greg replied 1 month ago.

Any warning lights on when the engine is running .

Like the glow plug light ON solid or flashing, check engine light ?


Customer: replied 1 month ago.
No lights on at all
Expert:  Greg replied 1 month ago.

Okay good ,check fuel filters .

Do you have a lot of black smoke come out the exhaust when you try to accelerate .


Customer: replied 1 month ago.
When I ease off the gas
Expert:  Greg replied 1 month ago.

You need to checked the basics like air filter fuel filter as the engine is getting too little air ,

or too much fuel .If air filter is clean and no air intake obstruction then you are getting too much fuel ,

This could be a bad Bosch pump ,faulty injectors ,a bad or dirty air flow meter which is very typical .

First do a good basic inspection and change all fuel and air filters if not been done.

Clean MAF sensor with MAF cleaner.

And then have the EGR system tested this is also a issue to cause you your problem .

For further assistance with this issue please get back to me with the reply box below .
This is not a one answer and done i/we will stay with you until the problem is sorted out .
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