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      02-06-2014, 10:24 PM   #1
HELLOimJ
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CEL + increased emissions

Hi guys,

Tonight I got a CEL+ Increased emissions. The car jerked when it pulled the code but then was driving normally. I have noticed that maybe 1-2 times a week the car randomly jerks at partial throttle or when cruising. The car idles fine. I took it to Autozone and they pulled a:

P0091: Fuel Pressure Regular 1 Control Circuit Low

After it was cleared it didn't come back on the 10 minute drive home… Doing a quick search I think I have the cause….

Is this the part that needs replacement?

http://www.turnermotorsport.com/p-20...1-f10-f12.aspx

thanks

jawwad
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      02-06-2014, 10:44 PM   #2
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You, like me, have an 08. When the battery starts to go, random errors pop up. So yes, that is the sensor that you replace when that code pops up, but be aware, battery problems manifest themselves in errors, as well. Jerking is something I didn't have.

Last edited by whats77inaname; 02-06-2014 at 10:55 PM.
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      02-06-2014, 11:02 PM   #3
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Thanks for the battery tip whats77inaname, the reassuring thing about my battery is that its only 11 months old. I have an extended warranty so I will take it to my indy tomorrow to get that FPR sensor replaced.. hopefully thats all that needs replacement
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      02-24-2014, 08:43 PM   #4
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@jawwadh Did you fix the problem? I just got an error increased emissions today. Dealer appt. March 21.
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      02-24-2014, 10:49 PM   #5
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Quote:
Originally Posted by Stronie View Post
@jawwadh Did you fix the problem? I just got an error increased emissions today. Dealer appt. March 21.
Well I called MAG and they said since the light went away to bring it in when it reappeared. It hasn't thus far. I may replace that one part prophylactically as its only 90 bucks and its easy. I am not driving the car much though as it isn't my daily driver anymore… I will get around to it when it gets warmer lol.
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      06-04-2014, 01:06 PM   #6
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Can you guys tell me where this sensor is located, I just got the CEL and Increased emissions message on iDrive.

Thanks!
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      06-04-2014, 01:22 PM   #7
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@OckEME3 check here: http://www.m3post.com/forums/showthread.php?t=811735
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      06-04-2014, 01:23 PM   #8
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Also mine was replace 36000 miles.

01 REGULATING LAMBDA PROBE L= 340MM
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      06-04-2014, 08:09 PM   #9
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Quote:
Originally Posted by Stronie View Post
Hi Stronie,

The thread you referred me to is for the O2 sensor replacement, I believe I need the fuel pressure sensor http://www.turnermotorsport.com/p-20...1-f10-f12.aspx
or are you suggesting I need to replace my O2 sensors?

My car has no symptoms other than the service engine soon and increased emissions on the iDrive.BTW i have 55K miles.

Thanks for your help!

Ock
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      06-05-2014, 09:35 PM   #10
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http://www.m3post.com/forums/showthread.php?p=14440386
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      06-05-2014, 11:14 PM   #11
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Quote:
Originally Posted by jawwadh View Post
Thank you very much, I appreciate it!
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