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Old 08-21-2007, 03:06 PM
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Join Date: Jul 2007
Location: USA
Posts: 2,156
Stalling problem PLEASE HELP

The car in question is a 1991 190E 2.6

I have found out through tests i conducted with my tools. The ovp, mass air flow sensor,
throttle valve switch, wiring harness, crankshaft sensor, fuel pumps are ok. But what I did notice something fried my MAS and it wasnt the fuel pumps.

The ovp is getting voltage and seems to be working and many of the other components in the fuel system are getting voltage and meet specs according to the service cd.

The car will start up sometimes easy most of time its hard to start. Once its started it stays running and there will be moments when the rpms dip really low and almost stalls. In general the rpms are erraditc. The car eventually stalls and when its warm its almost impossible to start.

I have done a lot tests and work and nothing seems to solving the problem.

What other components should I look at to solve this problem and what else could fry a mas?

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