Faulty start in the morning (video) - Mercedes-Benz Forum
 
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post #1 of 3 (permalink) Old 06-01-2011, 02:32 AM Thread Starter
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Faulty start in the morning (video)

Hello, every morning when I start my 1998 w168 the engine starts, then rpm go down and engine stops. I always need to start the engine again and then it will stay on normally. I thought it could be the MAF sensor so I tried to clean it with a spray for carburator cleaning, the situation seemed a little better at first as rpm would go down but engine did not stop and then rpm would go up again.
Check the video I posted. What do you think?

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post #2 of 3 (permalink) Old 06-03-2011, 12:27 AM
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If cleaning the mafs helped initially then why not get it checked by ECU testing , mention my site and get a discount of the repair

Have you any codes from The ecu which would help pin point the cause

I take it you have checked air filter condion, and correct positioning and can confirm that the fuel filter has been changed in the last 4 years? 50000.miles

Last edited by lofty; 06-03-2011 at 12:29 AM.
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post #3 of 3 (permalink) Old 06-15-2011, 09:30 AM Thread Starter
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Originally Posted by lofty View Post
If cleaning the mafs helped initially then why not get it checked by ECU testing , mention my site and get a discount of the repair

Have you any codes from The ecu which would help pin point the cause

I take it you have checked air filter condion, and correct positioning and can confirm that the fuel filter has been changed in the last 4 years? 50000.miles
update! replacing the tube didn't solve the problem so today I removed the ecu.
I found a broken tube under it!! oil was spread all over.
I modified some of your pictures to show the broken part.
At this point I think this is the problem.



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