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Old 09-24-2002, 11:19 AM
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Engine stops itself after 10 min

Please help . . . . .

when the engine is cold, it starts well and then I can use it for about 10 mins cruising or not.

It seem that when it comes hot it stops itself (with some splutter).

I've checked the solder on the OVP, and I've tried to tap on it and also on the fuel pump relay (but I hear the pumps running) when trying to start the engine.

But the engine would'nt start.
I have to wait till it comes cold before trying a succesful start of the engine.

What can I do ?
I is possible that the injectors are malfuntioning ?

This forum is great an I'm sure someone will help.
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Old 09-25-2002, 02:09 AM
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Old 09-25-2002, 02:43 AM
Registered User
Join Date: Aug 2002
Location: So Cal, Beach
Posts: 250
What gets your engine hot?
280SE 4.5
Sandals (size 11)
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Old 09-25-2002, 03:07 AM
Posts: n/a

Thank you to interest you to my problem.

The temperature of the engine is not too high.
When the engine reaches its normal working temperature (the one that I always saw during all years that I used this car), the engine stops.
After one night of rest (therefore the engine is cold) the starting makes itself correctly.
I let the motor idle and as soon as the temperature goes up it coughs and stop.
The relay of the pumps fuel has been changed last year by the local MB dealer.

I don't know anymore what to do and I would like to try to find a solution by myself (with the help of the forum) before bringing the car to the local MB dealer and pay a lot for that. Of as much more that it is difficult to me to bring the car at the local dealer because my car only runs for 10 minutes and the MB dealer is too far to be there in one time!
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Old 09-25-2002, 05:28 AM
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Enemy combatant
Join Date: Jul 2002
Location: Amsterdam, Old Europe
Posts: 839
Could be a failing temp sensor, signalling a wrong temp to the engine control system.

'01 DT41 - M54 - A5S 325Z - 482
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Old 09-25-2002, 12:04 PM
it leaks, its german
Join Date: Mar 2002
Location: raleigh nc
Posts: 1,111
Check for fire, if none when it's dead, check for crank posistion signal (on the 103 powered 124 car the sensor is under the oil filter), if you have signal check the coil, I had one a coupleweeks ago that would do this same thing and the coil was shot. A long shot is the EZL (black box on l/h inner fender) however, thats the esiest place to check for crank signal. I'd be willing to bet coil.

Project Smoker, '87 603 powered wagon
Hauler, 96 CTD can you say torque?
Toy 73 Cougar xr7 convertible
Acme Automotive Inc.
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Old 09-25-2002, 04:22 PM
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hi. i am new to this club but i think i know the solution to yoyr problem. i had a similar problem with my 94 E-280. it turned out to be some problem with the computer. my mechanic took out the fuel circuit and renewed the connections. the problem went away. hope this might help u.
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Old 09-27-2002, 02:06 AM
Posts: n/a
thank you

Thank you all,

I'll have a look on all what you writed down ASAP.

I'll put an update when all was done

Than you again
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