Bmw e39 540i M62tu Stalls on revs 1600 or more for short period - Bimmerfest - BMW Forums



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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 11-30-2019, 01:49 PM
bigmind69 bigmind69 is online now
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Bmw e39 540i M62tu Stalls on revs 1600 or more for short period

Hello,

I'm facing a problem on my Car Bmw e39 540i M62tu when i try to push the gas pedal on 1500 RPM or more for 2 minutes or less the car start to stall and the fuel will cut.

What i did, i try to remove the back seat and hear the Fuel pump and what happen is the fuel pump sound start to decrease until it stops and as i feel that there is vacuuming happened inside the tank since the fuel leveler is also decreasing more and more the car start to stall and then when i push the acceleration more the fuel pumps starts again with full load and the fuel level it goes back. i add the video on the below link.

i try to remove the connector of MAF and and the same on the above statement, there was no issue in fuel pump the sound is normal and the car doesn't stall.

Do you think the MAF is the reason of what happening for my car, or there is another issue could be.

The below link is the sound of Fuel pump.
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Old 11-30-2019, 02:16 PM
edjack edjack is offline
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Cannot identify the clicking sound.

Have you monitored the fuel pressure?

How old is the fuel filter?
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  #3  
Old 11-30-2019, 02:38 PM
bigmind69 bigmind69 is online now
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Quote:
Originally Posted by edjack View Post
Cannot identify the clicking sound.

Have you monitored the fuel pressure?

How old is the fuel filter?
Clicking sound it is like the tank is getting vacuumed when the pump starts to decrease it sound and when pump starts again the vacuum get released.

No I didn't monitored the fuel pressure

I change my fuel filter and fuel pump and i get the OEM Bmw parts since two years

Last edited by bigmind69; 11-30-2019 at 02:47 PM.
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Old 11-30-2019, 04:35 PM
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mattmar1 mattmar1 is offline
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if you think the gas tank is going under a vacuum, loosen the gas cap. you will probably get an evap emissions error code, just reset it after
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Old 11-30-2019, 08:27 PM
JimLev JimLev is offline
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Here's some background info.
https://www.bimmerforums.com/forum/s...d-not-starting

His 2000 540 uses pressure to test the Evap system for leaks.
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Old 11-30-2019, 11:35 PM
bigmind69 bigmind69 is online now
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Quote:
Originally Posted by mattmar1 View Post
if you think the gas tank is going under a vacuum, loosen the gas cap. you will probably get an evap emissions error code, just reset it after
But why it doesn't happen when i remove my MAF connector? By the way i don't have any problem with Idling and even i don't have any Error on Scanner.
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