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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 > HPFP??



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      03-28-2010, 02:09 AM   #1
creaminz
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HPFP??

While having little fun with M3 on freeway, I got SES light right after doing WOT.

10700 - No definition for this one
10705 - Misfire Cylinder 5
10706 - Misfire Cylinder 6
12223 - Fuel Pressure at Injection Release

If this is sign of my HPFP failing, it really sucks because I just installed ar dp few days ago would have been nice if this happend before the dp install.
I recently replaced spark plugs.

Any thoughts?
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      03-28-2010, 03:35 PM   #2
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Okay did some search and looks like top 3 codes relates to bad bank2 O2 sensor. How hard is it to replace it? Any DIY for this?
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      03-28-2010, 03:46 PM   #3
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It's probably just your car adapting to the downpipes, I threw some codes initially. Going WOT probably just caused it to happen sooner. I could clear them, and see what happens in a week.
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      03-28-2010, 04:39 PM   #4
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Thanks for the advice, I will clear the codes to see if they comes back again. Did you throw same codes as mine?
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      03-28-2010, 06:11 PM   #5
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I got similar codes, I can't remember which ones, but they had to do with the O2 sensors and misfires. I got the 1/2 engine light once a week after the DP install and have not had an issue since. I think you will be fine.

Hell, if it makes you feel better, I just had my car in for a HPFP replacement with DP's on the car and they didn't even notice them.
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      03-28-2010, 07:07 PM   #6
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Quote:
Originally Posted by Syndicategt View Post
I got similar codes, I can't remember which ones, but they had to do with the O2 sensors and misfires. I got the 1/2 engine light once a week after the DP install and have not had an issue since. I think you will be fine.

Hell, if it makes you feel better, I just had my car in for a HPFP replacement with DP's on the car and they didn't even notice them.
just cleared codes and went to do some runs. 5 solid WOT runs, no codes thrown yet! hopefully they nevers comes back.

not sure how they didn't notice you have catless system?? mine definitely smells
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      03-28-2010, 07:22 PM   #7
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Quote:
Originally Posted by creaminz View Post
just cleared codes and went to do some runs. 5 solid WOT runs, no codes thrown yet! hopefully they nevers comes back.

not sure how they didn't notice you have catless system?? mine definitely smells
Also if you have a BT....you could always clear the lamda adaptations for safe measure.
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