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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 > MHD "take a look at my log" thread



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      04-23-2024, 12:06 PM   #5963
Eriksson042887
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Hey guys.

Just finished installing inlets and outlets, car is now true FBO, stock turbos, 91, stage 2+. XHP stage 2

At WOT, near redline the car goes into limp mode, I’m guessing it’s a fueling issue.

Code 29DC - DME: Cylinder injection cutout. Always comes up

Code 2C7B - DME: Oxygen sensor after catalytic converter: Signal. Sometimes comes up.

The car pulls strong when it gets into boost but then it falls on its face.

Have had 2AAF - DME: Fuel pump, plausibility. Since I bought the car a few years back. Bought it at 198K, now at 206K

Thank you guys

First log is the pull
Second is how it idles horribly when I pull over to the side of the road

https://datazap.me/u/eriksson/wot-3r...og=0&data=3-21

https://datazap.me/u/eriksson/wot-idle?log=0&data=3-21
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      04-23-2024, 02:22 PM   #5964
whyzee125
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Quote:
Originally Posted by Eriksson042887 View Post
Hey guys.

Just finished installing inlets and outlets, car is now true FBO, stock turbos, 91, stage 2+. XHP stage 2

At WOT, near redline the car goes into limp mode, I’m guessing it’s a fueling issue.

Code 29DC - DME: Cylinder injection cutout. Always comes up

Code 2C7B - DME: Oxygen sensor after catalytic converter: Signal. Sometimes comes up.

The car pulls strong when it gets into boost but then it falls on its face.

Have had 2AAF - DME: Fuel pump, plausibility. Since I bought the car a few years back. Bought it at 198K, now at 206K

Thank you guys

First log is the pull
Second is how it idles horribly when I pull over to the side of the road

https://datazap.me/u/eriksson/wot-3r...og=0&data=3-21

https://datazap.me/u/eriksson/wot-idle?log=0&data=3-21
Looks like your HPFP is toast. It drops down to 3xx psi when it should always be over 1,500 at WOT.
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      04-23-2024, 02:24 PM   #5965
LucaN54
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Quote:
Originally Posted by Eriksson042887 View Post
Hey guys.

Just finished installing inlets and outlets, car is now true FBO, stock turbos, 91, stage 2+. XHP stage 2

At WOT, near redline the car goes into limp mode, I’m guessing it’s a fueling issue.

Code 29DC - DME: Cylinder injection cutout. Always comes up

Code 2C7B - DME: Oxygen sensor after catalytic converter: Signal. Sometimes comes up.

The car pulls strong when it gets into boost but then it falls on its face.

Have had 2AAF - DME: Fuel pump, plausibility. Since I bought the car a few years back. Bought it at 198K, now at 206K

Thank you guys

First log is the pull
Second is how it idles horribly when I pull over to the side of the road

https://datazap.me/u/eriksson/wot-3r...og=0&data=3-21

https://datazap.me/u/eriksson/wot-idle?log=0&data=3-21
Get a new lpfp and hpfp and u are good to go
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