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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > CEL => Engine Malfunction ?



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      06-24-2009, 08:27 PM   #1
bmwdawg
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CEL => Engine Malfunction ?

Will the CEL usually result in the ENGINE MALFUNCTION REDUCED POWER warning with tunes ? Car was running fine with PROcede 3.2 and CAI. After Catless Downpipes were installed along with Canbus wiring the CEL appeared and the ENGINE MALFUNCTION REDUCED POWER warning pops up about every 10 miles (city or highway driving). Stop/start the engine will clear the ENGINE MALFUNCTION (not the CEL) but the same happens after 10 miles.
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      06-24-2009, 10:15 PM   #2
bulldog x6
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enable the o2 simulator
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      06-25-2009, 08:19 AM   #3
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o2 at 80%

Quote:
Originally Posted by turkish335 View Post
enable the o2 simulator
o2 is enabled at 80%. I was told to lower it a bit.
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      06-25-2009, 12:29 PM   #4
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Try shooting Shiv a PM or try calling the Vishnu Support line...
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      06-25-2009, 01:31 PM   #5
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Originally Posted by RambleJ View Post
Try shooting Shiv a PM or try calling the Vishnu Support line...
I sent Shiv a PM several days ago but he is probably very busy working on new features
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      06-25-2009, 01:51 PM   #6
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Ouch! Well then give their support line a call, Im sure they have one on their website.
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      06-25-2009, 01:56 PM   #7
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Quote:
Originally Posted by bmwdawg View Post
o2 is enabled at 80%. I was told to lower it a bit.
sound like o2!! you may want to check what codes are throwing...maybe not the o2?
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