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Car Forum / Mercedes-Benz Cars / May 2006

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loss of power below 3000rpm

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Paul J - 31 May 2006 01:33 GMT
Hi, I recently got the four injectors in my 220CDI engine
replaced/reconditioned.  SInce starting to drive the cars again I have
noticed a sever drop in power.  Basically when im starting of from
standstill there is no power until about 3000rpm so the car is moving
really slowely until that point.

This power loss is right across the engine at all reves but just very
noticible starting off.

Any ideas.
Thanks

Paul J
T.G. Lambach - 31 May 2006 06:13 GMT
If the only change is the injectors I'd suspect the wrong injectors were
installed, but there's another, more logical possibility.

'80s M-B diesels have a system to add extra fuel during acceleration; it
works on the turbocharger's boost pressure but if disconnected, or
otherwise not functioning the engine's acceleration is flat rather than
robust. I don't know your car's engine as these are not sold in the USA
but it may be similar to the older motors.
jdoe - 31 May 2006 11:48 GMT
>Hi, I recently got the four injectors in my 220CDI engine
>replaced/reconditioned.  SInce starting to drive the cars again I have
[quoted text clipped - 4 lines]
>This power loss is right across the engine at all reves but just very
>noticible starting off.

egr valve

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Tiger - 31 May 2006 13:39 GMT
I am not familiar with that car... but if it has turbo, then the turbo is at
fault... maybe the mechanic disconnected something and forgot to put it
back.

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