R50/R53 :: Hatch Talk (2002-2006) Cooper (R50) and Cooper S (R53) hatchback discussion.

R50/53 2004 mini cooper R50 code: P2404

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Old 06-27-2019, 07:21 AM
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mike3475
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2004 mini cooper R50 code: P2404

Good morning, Guys:

I have 2004 mini cooper R50, running rough and service engine soon light is on and got code: P2404. I got no idea what to do.
when idle, the speed is jumping from 1000 to 1300 RPM .
sometimes when i am driving and push the gas pedal the engine doesn't accelerate as it supposed to for a couple second ,later ok.
P2404-
evaporative emission system leak detection
pump sense circuit
Range/ performance
sometimes showing another code: P0138-O2 sensor circuit high voltage bank 1 sensor 2
I checked fuel pressure regulator is working fine.
any input i appreciate.
Thanks!
 

Last edited by mike3475; 06-28-2019 at 11:52 AM.
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Old 01-28-2020, 01:41 PM
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David Baker
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Originally Posted by mike3475
Good morning, Guys:

I have 2004 mini cooper R50, running rough and service engine soon light is on and got code: P2404. I got no idea what to do.
when idle, the speed is jumping from 1000 to 1300 RPM .
sometimes when i am driving and push the gas pedal the engine doesn't accelerate as it supposed to for a couple second ,later ok.
P2404-
evaporative emission system leak detection
pump sense circuit
Range/ performance
sometimes showing another code: P0138-O2 sensor circuit high voltage bank 1 sensor 2
I checked fuel pressure regulator is working fine.
any input i appreciate.
Thanks!
I know this is an older thread but I had a very similar issue happen with my '05 MC. Mine turned out to be the Leak Detection Pump. I just disconnected it for the time until a replacement comes in so that I can swap it. I believe mine has been going bad for a while as the car actually started running and idling better with it disconnected.
 
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