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Old 07-17-2002, 10:52 AM
earossi earossi is offline
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Join Date: Mar 2002
Location: Naperville, Illinois
Posts: 92
190E 2.3 Stalling Problems

I am at a total loss in diagnosing a stalling problem with my 1988 190E, 2.3. The car starts well and idles well but occassionally stalls while warming up and will occassionally stall when coming to a stop (after engine warmup). To date, we have replaced both the fuel pump and the fuel pump relay. I have also gone through the ignition replacing plugs, spark plug cables, and distributor rotor and cap. But, the problem still persists. I have done a search on this board, and cannot get a match that makes sense. There is a lot of discussion over the OVP relay, but I guess that I do not understand how it would impact my problem. I have not done anything with the fuel pressure regulator or the idle stabilization valve. Since these are relatively expensive items, I hate to play the replacment game unless I can get a better understanding of how each would impact my problem and how to go about troubleshooting these accessories. Hopefully, someone can expand on this item. TIA.
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