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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 06-27-2012, 03:17 PM   #1
FoxBlvd
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Join Date: May 2009
Location: California (Bay Area)
Posts: 15
My Ride: 2002 BMW 330Ci
Check engine light! P1093

Hi, I recently changed out my pulleys and tensional with regards to the (WP, PS, Alt). A few days later, my check engine light displayed on my dash. I scanned the code, and found it to be P1093 with the generic code scanner and Table 19: EC (PreCat fuel tim system, Cyl 4-6) with my Peake Scanner.
History:
A couple of months before, my car displayed a different code that required a software update. Also, I have replaced all my o2 sensors (Pre and Post), as well as changed the oil separator. Also my intake boot looks fine too.

Thanks!

Last edited by FoxBlvd; 06-27-2012 at 07:01 PM.
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Old 06-29-2012, 06:47 PM   #2
FoxBlvd
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Join Date: May 2009
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Fixed this by unplugging the MAF and the DISA connections. NOT sure how they are related... but it worked!
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Old 02-18-2013, 09:53 PM   #3
veli510
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My Ride: 2001 BMW 330i
Thabks for the update. I have this code too. Goimg to replace my post o2 sensors
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Old 02-18-2013, 10:00 PM   #4
jfoj
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Not likely your O2 sensors!

Need to think before you do!
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Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temps, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose fan switch O-ring - BMW #13621743299
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Old 02-18-2013, 10:31 PM   #5
veli510
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What do you think it may be?
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