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Old 05-18-2017, 10:57 AM   #1
Citruz
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Join Date: Jan 2016
Location: Dominican Republic
Posts: 65
My Ride: BMW E46 330i
Problems, codes, and lights after puddle of water

I am going to be as simple as possible, here are the codes, car don't pass over 2000 RPM and RPM fluctuates after I clear the code they appear later, BTW I don't have the plastic shields that are underneath the engine.


OBD Fusion Codes:

P0221 Throttle/Pedal Position Sensor/Switch "B"Circuit Range/Performance
P1633 Throttle valve adaptation; Limp - home Position unknown

INPA Codes:

19 TPS-MAF not plausibility
Error frequency : 2
Logistic counter: 40
V_TPS_1 0.45 V
V_TPS_2 3.92 V
MAF 81.71 mg/stk
TPS_MAF_DIF_2 0.00 mg/stk
aufgetreten vor (rel. BZ) 0.30 h
---
---
---
TPS-Poti 2 unplausible to Airmass
Error to relevant
Error debounce
Error currently not available
sporadic Error
Errorcode: 77 B8 02 28 17 C9 0F 00 DD 50
-------------------------------------------------------------
135 TPS-selftest
Error frequency : 2
Logistic counter: 40
V_TPS_1 0.70 V
V_TPS_2 3.86 V
TIA 67.05 Grad C
VB 12.14 V
aufgetreten vor (rel. BZ) 0.30 h
new adaption required
---
---
---
Error to relevant
Error debounce
Error currently not available
sporadic Error
Errorcode: 87 B1 02 28 24 C6 9A 77 DD 50
-------------------------------------------------------------
115 TPS-Adaption
Error frequency : 2
Logistic counter: 40
V_TPS_1 0.70 V
V_TPS_2 3.86 V
VB 12.04 V
TIA 67.05 Grad C
aufgetreten vor (rel. BZ) 0.30 h
---
Voltage value to LIH-Adaption not permited
---
---
Error to relevant
Error debounce
Error currently available
sporadic Error
Errorcode: 73 F2 02 28 24 C6 76 9A DD 50
=================================

P.A.Soft BMW Scanner V1.4.0:

(fault currently not present) 77 [119] Signals ratio, engine throttle potentiometer 2 / air mass flow sensor, implausible.
(fault currently not present) 87 [135] Engine throttle sensor starting test, readaptation was triggered, readaptation necessary.
(fault currently present) 73 [115] Adaptation , engine throttle, voltage values during limp-home operation -adaptation not permitted.

What should I check first? I just searched enough in the forum but they are old threads.

Last edited by Citruz; 05-18-2017 at 10:59 AM.
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Old 05-18-2017, 11:16 AM   #2
SSchwab
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Join Date: Jan 2015
Location: Oregon City Oregon
Posts: 560
My Ride: 99 328i, 00 Z3 2.8
Pull the air intake filter housing, filter, MAF, boots, and start disconnecting and spraying all electrical connections with electrical cleaner, add dialectric grease and reconnect. Then reassemble boots, spray the MAF with MAF cleaner, replace the air filter, and finish reassembly.

Let us know if this does not solve your problems. If it solves things, buy and install a lower engine shield.

Last edited by SSchwab; 05-18-2017 at 11:16 AM.
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Old 05-18-2017, 01:01 PM   #3
jfoj
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Location: Fairfax, VA USA
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I would focus on the throttle body connector at this point.

While there is also a throttle pedal sensor code, if this problem happened immediately after going through a large puddle of water, I would look about blowing any moisture out of the throttle body connector.

Then you may need to check the wiring at the throttle pedal as well.

But also check inside the DME box for water/moisture. You may need to remove the DME connectors and search for moisture and corrosion.

The throttle body and throttle pedal wiring all connects to the DME. You might read these threads for some ideas.

http://forum.e46fanatics.com/showthread.php?t=1052977

http://www.bimmerfest.com/forums/sho...21#post9977321

http://forum.e46fanatics.com/showthr...1#post16833498

http://forum.e46fanatics.com/showthread.php?t=870338

Would not recommend dielectric grease at this point.
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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, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

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

Lower hose temp switch O-ring - BMW #13621743299
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Old 05-18-2017, 02:09 PM   #4
Citruz
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Join Date: Jan 2016
Location: Dominican Republic
Posts: 65
My Ride: BMW E46 330i
Tonight I am going to disassemble, check all the stuff that you mention it and clean them.

Last night I was scared because I though "Oh my God my fuel pump is dying", this because the RPM where fluctuating like wasn't enough fuel to the cylinders.

What a mess!, two month without problems and now this, anyways I hope to not find something damage.
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Old 05-18-2017, 02:19 PM   #5
jfoj
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Location: Fairfax, VA USA
Posts: 22,832
My Ride: 330CiC, M5, X5, E93
Just so you know the it is normal for the engine RPM to oscillate a bit. This allows you to more a car around in a parking lot, but not really drive the car. This is a failsafe electronic throttle control behavior.
__________________
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, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

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

Lower hose temp switch O-ring - BMW #13621743299
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Old 05-18-2017, 03:42 PM   #6
Geo31
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My Ride: 98 M-Z3, 01 325iT
I'm guessing MAF is toast. The hot wire can be fragile. I had this happen to me only the day after the puddle. It was the MAF.


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Old 05-20-2017, 10:30 AM   #7
Citruz
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Join Date: Jan 2016
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Posts: 65
My Ride: BMW E46 330i
well, after the cleaning, (2) days driving and still no problems.

I hope everything has its fixed.
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Old 05-20-2017, 12:34 PM   #8
SSchwab
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Excellent! Now consider installing the splash shield?
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