Hi, I have a nice W124 E320 1995 M104. The engine has power, but on the way don't pass over 4000 rpm running. What's the commun problem about. Thank you.


Is the check engine light on?

Doed it rev over 4000 in neutral?

Hi, we have already reviewed and changed many engine sensors, but the check engine light continues on.

In neutral dont pass over 4000 rpm.

Thank you.

Can you scsn it with scan tool? 

Without knowing error codes, it is very hard to pinpoint the problem. 

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