In this video I show you how to upgrade from a second generation EKPM2 fuel pump control module to an EKPM3 third generation module. Anything more is a problem. In this tech article, I will go over how to test fuel pressure and volume. The EKP control module then activates the fuel pump … Double check the fuse number with your model specific information. Be sure to replace a bad fuse with a new one of the identical size and rating. Necessary cookies are absolutely essential for the website to function properly.
F6 (15A) Transmission control module (TCM) F7 (20A) Auxiliary heater control module. E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions, NA Engine (non-turbo) / Drivetrain / Exhaust Modifications, http://realoem.com/bmw/diagrams/b/n/233.png, Recommend this as a feature on the BimmerPost Homepage. All pictures and references to the Porsche name, and the car names and shapes are for restoration reference only, and do not imply any association with Porsche.
F3 – F4 (5A) Ignition switch control module. It is mandatory to procure user consent prior to running these cookies on your website. A faulty fuel pump can cause poor engine performance and hard starting problems.
To confirm a pump can supply fuel pressure to the fuel rail, you can manually activate the fuel pump. There's a DIY for the fuel pump in the DIY section IIRC. I had this happen to be due to my fuel pump giving out. But opting out of some of these cookies may have an effect on your browsing experience. Now that you have access to the fuel pump terminals, you will connect your DVOM to the terminals by backprobing. (green arrows). Connect DVOM across fuel pump electrical connector terminals and take a reading, it should read battery volts when key is turned ON. When replacing a blown fuse, it is important to use only a fuse having the correct amperage rating.
Remove engine cover over fuel injectors. You can access the fuel pump electrical connector and terminals under the rear seat cushion, below an access panel. The pump actually burned out along with the auxiliary pump in the tank both located in under the passenger seats. The EKP control module converts this request into a corresponding engine speed for the fuel pump in the fuel tank. For me and the Hummer, it turned out to be the fuel pump control module. Rear power distribution panel (high amperage fuses); The line to B+ junction, starter, and alternator. F5 (7,5A) Sunroof control. Before replacing a fuse check that the key has been removed from the ignition and that all the services are switched off and/or disengaged. Pelican Parts is not associated with Porsche Cars North America in any manner, except for a mutual appreciation and love of the cars. When Start button is pressed, fuel pump will receive voltage for 3-5 seconds, if engine doesn't start. Upon replacing the both primary and auxiliary fuel pumps the problem still continued.
If you replace the pump make sure to have a bucket with you since the pump will have gasoline in it and you'll be carrying it trough the interior of the car. Green arrow points to where positive (+) lead goes, Yellow arrow points to where negative (-) lead goes. We'll assume you're ok with this, but you can opt-out if you wish.
Then install the fuel pressure gauge. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. F8 (5A) CD changer.
It just keeps pumping and pumping non-stop. The use of a fuse with a rating other than indicated may result in a dangerous electrical system overload. it is common for the faulty pump to damage the module. Fuel pump relay: R9: Terminal 15 relay: F1 (15A) ^08/05: Transmission control module (TCM) F2 (5A)Aerial selection control module. The Hummer had a high fuel pressure issue. Fuse box diagrams, fuse layouts and assignment. This category only includes cookies that ensures basic functionalities and security features of the website. Recharge fuel system by cycling key or running fuel pump, note fuel pressure.
After some thorough testing it turned out to be the fuel control module which is located on the rear right back rest (the section closest to the door remove the slim piece) the control module is located under it.
I tried to look for reasons why that happened, and while doing that another fuse was blown after a couple hours of putting it in. In this photo, voltage head steady at current fuel pump demand. To check a fuse, look at the silver-colored band inside the fuse. ... Where the fuel filter is located. You can access the fuel pump electrical connector and terminals under the rear seat cushion, below an access panel.
Then allow fuel system to sit under pressure for 15 minutes. Fuse box diagram (fuse layout), location and assignment of fuses of BMW 3-Series E90/E91/E92/E93 (2005-2010) 325i, 325xi, 328i, 328xi, 330i, 335i, M3.
I have to replace a fuel pump control unit on 2008 bmw 328i. I suggest load testing using a test light and a DVOM. The wiring circuits in the vehicle are protected from short circuits by fuses. Press Start Stop key like you wanted to start the engine, allow engine to crank if it doesn't start, DVOM should read around 10 volts. After some thorough testing it turned out to be the fuel control module which is located on the rear right back rest (the section closest to the door remove the slim piece…
These cookies do not store any personal information. High current from a blown fuse might mean the pump is bad.
If the correct voltage is present, but pump does not activate, it is likely faulty.
See our tech article onÃ engine cover removing.
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