PeachParts Mercedes-Benz Forum - Stalling Quiz: WINNER GETS $50

Quote:

Originally Posted by professor (Post 2219271)

I did another fuel pressure test now that I have a new fuel accumulator in the line. The fuel pressure on the main line did not go over 4 Bar. I think I am going to close this chapter and competition and call it fuel pump problem. It's new so I called the vendor and this time they took my car's serial number. Guess what, I had the wrong pump all along! A whole year of misery and all it was is the wrong part.
Thanks guys for your input.

I am going to assume your issue is fixed.

For others having this nagging issue.

* I suggest you give the throttle body chamber and Idle Air Control Valve a good cleaning.

* The signal to start - run the fuel pump goes through the OVP relay, which has been superseded due to random thermal failure issues.

* The fuel pump relay has on many models been superseded three times due to random thermal failure issues.

* The Crank position sensor can experience thermal failures that match your symptoms.

* Try measuring system voltage, perhaps the charging circuit or battery is so weak that it can't operate the electronics correctly. Failing batteries cause no end of havoc, and the notion that just because it took a charge and started the car must mean that the battery is good is false. Test it to be sure

Here are some rather odd issues that have happened to me many times, and could match your symptoms.

http://www.peachparts.com/shopforum/tech-help/220150-owner-1991-300e-looking-cliff.html

http://www.peachparts.com/shopforum/tech-help/245151-103-stalling-not-starting-when-warm.html

Benzworld.org - Mercedes-Benz Discussion Forum - View Single Post - 190E 2.6: While running/driving, engine "stalls", tach dies, BUT.....

MBWorld.org Forums - View Single Post - Help! My 190E 2.6 keeps stalling when hot!

As a last resort, you can read the Epic Saga "stalling thread", it's over 194 pages long.
Stalling Again - Benzworld.org - Mercedes-Benz Discussion Forum

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