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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 > Anyone have DP Fix Issues like this?



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      06-25-2015, 09:17 AM   #1
konvikt21
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Anyone have DP Fix Issues like this?

I'm about a month past inspection now, living on the edge...but haven't been able to get my DP Fix to work for anything..Wondering if anyone has had similar issues.

I have INPA, and check voltage for Lambda voltage after catays. Bank 1 and Bank 2. They read about .8v with factory wires. When the dp fix is installed, it reads about .53v and is constant, but does not change with trim pot adjustment. So far I've:

-Sent back to Wedge for testing, all clear
-External ground used
-connected to harness with JB4 fully removed
- I am on stock flash at this point

At this point, I'm gonna buy 2- 90 degree o2 defoulers and hope that does the trick, but if anyone has any suggestions of similar experiences I'd love to hear them.
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Last edited by konvikt21; 06-25-2015 at 09:37 AM.
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      06-25-2015, 10:00 AM   #2
GreaseMonkey
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I could not get my car to cooperative with dp fix. I removed the dp fix, cleared codes, completed a full drive cycle, and went immediately for testing. I managed to get through emissions before the troubles codes triggered for running catless.

It's hit or miss, but some others have been able to pass this way as well.

P.S. I'm an Ithaca graduate, really miss it around there. Good luck!
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      06-25-2015, 12:53 PM   #3
konvikt21
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Glad to hear that I'm not the only one. I did show readiness without DP fix installed, but by time I got to the shop it was gone.

Quote:
Originally Posted by GreaseMonkey View Post
P.S. I'm an Ithaca graduate, really miss it around there. Good luck!

Wish there were more members in the area !
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