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      01-21-2009, 01:58 PM   #1
DakarDoug
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Service Engine Soon light on

OK, at 1800 miles on my new '09 BMW 135i my service engine light just came on. I was told by the dealer rep that this is standard after the "break-in" period and that the fault just needs to be reset. This sounds fishy to me. Has it happened to anyone else out there? Also over the last 2 weeks, sometimes it takes up to 5 seconds after pushing the start button for the engine to fire up. Do you think my HPFP may be going? I thought this had been corrected in the '09 models. Any thoughts out there?
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      01-21-2009, 02:25 PM   #2
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With the long starts it sure sounds like a fuel pump. The CEL certainly isn't standard after the break in period.
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      01-21-2009, 02:35 PM   #3
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Yup sure sounds like it. Well worth a call to the dealer. Let us know the outcome after you get it fixed.

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      01-22-2009, 07:56 AM   #4
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Now my light is off!

My Service Engine Soon light was on for a day now it magically turned off. What gives here? I thought once a fault occurs, the computer remembers it and it has to be reset. Is this true?
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      01-22-2009, 08:15 AM   #5
ben14142001
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OP, they are lying to you. There is no CEL that appears after the break in. Your HPFP is dying.

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      01-22-2009, 09:07 AM   #6
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The "Service Engine Soon" will turn off after 3-4 starts if the car doesn't detect that problem anymore. That happened to me when my HPFP was going out.
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      01-22-2009, 10:28 AM   #7
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Quote:
Originally Posted by airakien View Post
The "Service Engine Soon" will turn off after 3-4 starts if the car doesn't detect that problem anymore. That happened to me when my HPFP was going out.

This is true on certain faults, such as an O2 sensor failing a self test, or a misfire. Some of them latch in though.

Either way, the code is still stored even if the light goes out, so they can still see something was going on.
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      01-22-2009, 04:14 PM   #8
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Quote:
Originally Posted by DakarDoug View Post
I was told by the dealer rep that this is standard after the "break-in" period and that the fault just needs to be reset.
Who did you talk to, a valet? Outside actual technicians, no one at the dealership has a clue about what goes on inside our cars.
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      01-22-2009, 05:30 PM   #9
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Sounds like HPFP is going out!
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      01-22-2009, 05:31 PM   #10
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it was probably your gas cap. but a HPP could definately make a long crank.
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