Engine stalling

Asked by Jul 29, 2012 at 01:16 AM about the 2002 BMW 3 Series 320i

Question type: Maintenance & Repair

I was driving on the road than the engine just cut out. Try to restart, engine idle for a few seconds  and than dies. I  
bought this car brand new and it is the first time this happen to me. Car has over 360 000 km on clock.

5 Answers

1,585

Get the DTC's checked with a scan tool but it sounds like a Crank angle sensor issue

1 of 1 people found this helpful.
4,655

Sounds like a fuel pump issue I am not very familiar with a 320i but It sounds like the fuel pump failed on your vehicle. I would check fuel pressure. Hope this helps

1 of 1 people found this helpful.
705

It's either A. battery issue B. alternator or c. fuel pump. If it starts then dies and won't start again, it's the battery. If it starts and kind of runs but loses power, alternator. If it starts but won't run and all the electronics work, it's the fuel pump.

1 of 1 people found this helpful.
705

It could also be the mass airflow sensor going bad.

10

If it starts for a few seconds then stalls again it may be the coil if it has a single coil. When a coil gets hot its internal resistance builds and it can short out. When that happens it will often start for a few seconds but will either conk out on its own or when you step on the gas. Sometimes when the engine is cool it will actually work normally until it gets hot again.

1 of 1 people found this helpful.

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