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BMW 3-Series (E90 E92) Forum
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Big engine light!!!!
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12-04-2012, 07:44 PM | #1 |
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Big engine light!!!!
The past two days I've gotten the big engine light. I'm not getting any error codes. And I turn car off/on and it goes away. What could be causing this? And is there anything I can do to stop this from happening again?
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12-04-2012, 08:04 PM | #2 | |
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Quote:
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thanks to MGallop |
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12-04-2012, 09:03 PM | #4 |
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No codes. I deactivate jb4 and don't get any codes.
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12-04-2012, 09:11 PM | #5 |
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The big engine light is when someone pranks you by putting a bigger engine into your car. Check and see if you have a V10, datalog, and come back.
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Last edited by Eric335; 12-04-2012 at 10:38 PM.. |
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12-04-2012, 10:34 PM | #6 |
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Just to verify, you don't have the auto-clear feature on, correct?
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12-04-2012, 11:14 PM | #7 |
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12-05-2012, 02:37 AM | #9 |
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Make sure you don't have jb4 on auto erase. It automatically erase all your engine codes. Turn you jb4 back on and make sure auto clear / erase is off and read the codes.
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12-05-2012, 06:49 AM | #10 |
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Turned the autoclear off this morning. I tried to get on it this morning but nothing. Going to try this afternoon.
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SOLD! X5 35i sdrive- JB4 SOLD! 435i- Cary Jordan E30 Tune~ Dinan Turbo~ BM3 trans tune~ XDI-35~ 3.5 T-map sensor~ VRSF HD FMIC~ VRSF Chargepipe~ VRSF Catless Downpipe~ CTS Intake~ FTP boost pipe~ FTP intake inlet~ FTP oil catch can~ Turbosmart dual bov~ |
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12-05-2012, 09:47 AM | #11 |
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ok tried again and datalogged... you were right
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12-05-2012, 10:55 AM | #13 |
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not even 10k miles on them. i think it may be the coils. are coils covered under 100k warranty?
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SOLD! X5 35i sdrive- JB4 SOLD! 435i- Cary Jordan E30 Tune~ Dinan Turbo~ BM3 trans tune~ XDI-35~ 3.5 T-map sensor~ VRSF HD FMIC~ VRSF Chargepipe~ VRSF Catless Downpipe~ CTS Intake~ FTP boost pipe~ FTP intake inlet~ FTP oil catch can~ Turbosmart dual bov~ Last edited by oma3710; 12-05-2012 at 11:07 AM.. |
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12-05-2012, 03:23 PM | #14 |
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12-05-2012, 09:14 PM | #16 |
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Looks like your engine light came on when your RPMs didnt increase. In that case, your VTEC is failing to kick in.
Oh, and SRT-10? Really? Dream bigger, my man....
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12-06-2012, 06:57 AM | #17 |
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That Light came on when one of the coils were bad. Took it the dealer and sure enough it was one bad coil.
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12-06-2012, 11:01 AM | #18 |
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could be any number of things...VANOS solenoids, misfires, etc. now with the code eraser turned off it should only be a matter of time before it comes up again. update us then.
EDIT: drawings are funny by the way!
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