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Originally Posted by mkruth  Have a 93 190E and am having a problem. Can anyone help? Incidently the motor in this car is a 2.3L. Could it be the mass air flow sensor??/ |
The 2.3, 2.6 and 300E series all had an airflow meter mounted next to the fuel distributor.
Without more detail about the car, you may have one problem or a mixture of problems. How many owners prior to you? Mileage? Accidents? Aftermarket garbage installed? Overheating? Occurs only when A/C/ is on? We need the history.
For example, some owners tear apart their motor and don't know what they're doing. There are alignment marks cast into the motor that must be lined up when reassembling. Being off one notch can affect timing. Your acceleration problem can be traced to bad timing.
If the car was in an accident and old parts were reused in reassembly, you may be suffering from fuel leakdown. Your EHA or your fuel distributor may be unable to keep fuel pressure.
What is the condition of your intake boot (between your airflow meter and your throttle body)? Have you checked all the little hoses for vacuum leaks? Have you checked your distributor?
So it's hard to guess at an answer until all the historical details of the car are revealed.