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Old 12-29-2016, 06:04 PM   #1
mxchristian
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Join Date: Dec 2016
Location: Garland
Posts: 3
My Ride: 00 BMW 323i
00 323i problems, help

I've had this car for a while now, it's always had this problem where after a while driving it'll go into limp mode (the gear symbol with exclamation mark next to gear letter) it sometimes is like a minute after driving or a while like an hour. But after that light turns on the car has trouble accelerating and my MPG goes crazy, another one is that after I sit idle for a while like at a stop light, I can feel like the engine suddenly starts vibrating more robustly and at that point the car again has trouble accelerating but this time if I step on the gas the RPMs go really high but the car won't accelerate correctly, both of these issues are fixed by simply turning the car off for like a minute and turning it back on but it'll like to know if anyone has had this problem thank you
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Old 12-29-2016, 07:36 PM   #2
jfoj
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Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 23,197
My Ride: 330CiC, M5, X5, E93
Sounds like you have 2 different problems.

1. A transmission related problem, the gear with the exclamation mark is also called the COG of Death. This means there should be some transmission related code stored/available when this light comes on.

2. Misfiring with Fuel Cut Off after sitting at idle for a stop light. This is probably a typical Lean misfire, but could be a number of things.

You need to read the codes while the problems are occurring. You need a tool/software to do this.

You should consider the OBDFusion App and VeePeak interface from Amazon. Less than $30 total.

OBDFusion WILL read the DME/ECU codes and should read the EGS/Transmission codes.

This is a place to start.

I would bet the car needs a ton of maintenance, probably has the majority of original parts and the transmission problem may be something simple, might be something more complicated.

Even Fuel Trim, Voltage and Temperature info would be useful.
__________________
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

Last edited by jfoj; 12-29-2016 at 07:41 PM.
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Old 12-30-2016, 01:16 AM   #3
mxchristian
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Join Date: Dec 2016
Location: Garland
Posts: 3
My Ride: 00 BMW 323i
Quote:
Originally Posted by jfoj View Post
Sounds like you have 2 different problems.

1. A transmission related problem, the gear with the exclamation mark is also called the COG of Death. This means there should be some transmission related code stored/available when this light comes on.

2. Misfiring with Fuel Cut Off after sitting at idle for a stop light. This is probably a typical Lean misfire, but could be a number of things.

You need to read the codes while the problems are occurring. You need a tool/software to do this.

You should consider the OBDFusion App and VeePeak interface from Amazon. Less than $30 total.

OBDFusion WILL read the DME/ECU codes and should read the EGS/Transmission codes.

This is a place to start.

I would bet the car needs a ton of maintenance, probably has the majority of original parts and the transmission problem may be something simple, might be something more complicated.

Even Fuel Trim, Voltage and Temperature info would be useful.
I do have that app, only thing is that I haven't been able to find an OBDII scanner that'll work with iPhone along with that app, I do have a traditional scannner that I can read the codes with, I'll read them tomorrow and update you with them
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Old 12-30-2016, 05:34 AM   #4
jfoj
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Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 23,197
My Ride: 330CiC, M5, X5, E93
You need to buy this for the iProduct - https://www.amazon.com/Veepeak-Scann...ywords=veepeak

Then you need to READ and FOLLOW the PDF in this thread - http://forum.e46fanatics.com/showthread.php?t=1097893

Since you have a 2000 model year car, I cannot be 100% sure if the EGS/Transmission codes are available at the connector under the dash, you may also need one of these - https://www.amazon.com/HAIN-Adapter-...in+obdii+cable

You probably need this 20 pin to 16 pin adapter cable anyway, because in order to communicate with other modules in the car you will need this adapter cable, best to have it on hand if needed.
__________________
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

Last edited by jfoj; 12-30-2016 at 05:40 AM.
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Old 12-30-2016, 02:47 PM   #5
mxchristian
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Join Date: Dec 2016
Location: Garland
Posts: 3
My Ride: 00 BMW 323i
Quote:
Originally Posted by jfoj View Post
You need to buy this for the iProduct - https://www.amazon.com/Veepeak-Scann...ywords=veepeak

Then you need to READ and FOLLOW the PDF in this thread - http://forum.e46fanatics.com/showthread.php?t=1097893

Since you have a 2000 model year car, I cannot be 100% sure if the EGS/Transmission codes are available at the connector under the dash, you may also need one of these - https://www.amazon.com/HAIN-Adapter-...in+obdii+cable

You probably need this 20 pin to 16 pin adapter cable anyway, because in order to communicate with other modules in the car you will need this adapter cable, best to have it on hand if needed.
With my OBDII scanner I scanned the codes below after sitting in the car for a little while idle
P1250
P0300
P0301
P0302
P0303
P0170
P1188
P1189
P1519
That's a lot of codes stored, also I did erase the codes and waited for my car to start trembling again, I then scanned one more time and these were the 3 codes that popped up
P0301
P1188
P1189
Any ideas?
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Old 12-30-2016, 03:20 PM   #6
jfoj
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Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 23,197
My Ride: 330CiC, M5, X5, E93
Your car is likely 17 years old at this point and probably has a LOT of the original parts still installed, this is not good.

Overall the engine has fuel mixture problems, with is NORMAL for these engines after 8years with original sensors and parts.

The P1250 code is questionable and may be a poorly translated code to OBDII or just a manufacturer code that was never properly documented.

The P1519 is not showing in my Bentley manual, but it may be a VANOS related code.

All the other codes indicate the engine is running Lean.

I would also question if the O2 sensors are connected properly.

Suggest you search my user name, I have a 20k posts that deal with almost every conceivable problem these engines have.

I would start by smoke testing and replace anything that leaks air, Intake boots, CCV and hoses, valve cover gasket and so forth.

O2 sensors are probably original, but they are working at least well enough to detect there are fuel mixture problems.

The fuel pump and filter should be replaced.

The DISA is likely shot.

Every single part on these engine is very predicable as to its failure mode.

If you want help, you will purchase OBDFusion, BMW Scanner 1.4.0 (under $30 on Amazon) and gather data and search the forum and ask for help as needed.
__________________
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

Last edited by jfoj; 12-30-2016 at 03:22 PM.
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