BMW M54 Engine Crank But No Start - E46 3-Series
2024 ж. 22 Мам.
8 295 Рет қаралды
Hello, In this short DIY video, we will be working on a 2004 BMW 325ci coupe model with m54 2.5L engine with the crank but no start issue. We will show you steps needed to properly diagnose no start issue. We encourage you to watch entire video to fully comprehend information. The diagnose process shown in this video will work on most bmw e46 330 328 325 models and many others such as e39 5-series / Z4 / e53 X5 models. Enjoy
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How can i test that pump is not working
Nice video with a clear details
Glad you liked it
Could have been the pump relay, should have checked that before buying a new pump.
Another check you should do before replacing the fuel pump is to disconnect the hose like you did at 3:30 and then put a piece of fuel hose on the connector (30 cm / 12 inches should be enough). Put the open end into a jar or bottle and then have somebody crank the car for 5-10 seconds. If it fills up with fuel, you know that your problem lies somewhere between the pump and the engine. Replacing the fuel pump would be fruitless and a waste of money in that case.
Thank you for sharing, great information.
2:38 The fuse might be good but there might be corrosion in the connector or on the fuse blades. Happened to me with my flasher fuse. Took it out, put it back in and they worked. Didn't have to clean anything. 2:50 How about hot wiring the connector (3:22) on the pump to see if the problem is somewhere else in the electrical system? Then, what if there is fuel and it won't start? Crank or cam sensors?
Hello, Thank you for your suggestions. Very helpful