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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

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Old 07-29-2009, 09:45 PM   #1 (permalink)
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Please Anyone Help Me... My 323 cant accelerate...

I already changed the fuel pump and the crank and cam sensors...
but when I stepped to the accelerator, the car hesitate and sounds like missfiring heard...
when i pushed the accel hard, the car engine is more likely stop and off...
I have to pushed it easyly then the rev going up then down then up again till 2.5K and wont going up more than that...

I already tested the coil 1 by one, and it seems ok...

PLS SOMEONE HELP ME
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Old 07-30-2009, 12:32 AM   #2 (permalink)
OMFG another one!?
 
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How's the fuel filter?
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Old 07-30-2009, 01:09 AM   #3 (permalink)
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How's the fuel filter?
i changed it....

let me know hows it work later
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Old 07-30-2009, 01:31 AM   #4 (permalink)
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How are the spark plugs? Also check for any vacuum leaks.
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Old 07-30-2009, 01:43 AM   #5 (permalink)
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How are the spark plugs? Also check for any vacuum leaks.
i will change the sparks to the new one...
and I already bring down the Intake Manifold and test for leak...
i will pay attention to the hose...

and also i cleaned all the temp sensor, IAT and Engine Coolant Temp
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Old 07-30-2009, 02:43 AM   #6 (permalink)
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my problem still exist...

i scanned it and see the current data... when the engine idle...

and the TPS 0.00V even though i stepped on the gas...

The Air Flow... stays at 518 mm/HG if not mistaken...

and the Air Temperature and engine temperature at 198.5 deg....

what u suggest??

should i change the parts or the DME or the wiring damaged?

PLS Help
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Old 07-30-2009, 05:04 AM   #7 (permalink)
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anyone can help???
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Old 07-30-2009, 06:23 AM   #8 (permalink)
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You have basically answered you own question.....the Throttle position sensor has died, these are a sealed unit, genuine BMW is the way to go.
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Old 07-30-2009, 09:28 PM   #9 (permalink)
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You have basically answered you own question.....the Throttle position sensor has died, these are a sealed unit, genuine BMW is the way to go.
i tried to borrow TPS from the other BMW in my garage... but still wont work...
I think i need to switch the air mass and the IAT also...

I let u know if the car have the proper parts already
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Old 08-15-2009, 11:54 PM   #10 (permalink)
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Quote:
Originally Posted by Pro Turbo View Post
my problem still exist...

i scanned it and see the current data... when the engine idle...

and the TPS 0.00V even though i stepped on the gas...

The Air Flow... stays at 518 mm/HG if not mistaken...

and the Air Temperature and engine temperature at 198.5 deg....

what u suggest??

should i change the parts or the DME or the wiring damaged?

PLS Help
what year?
what is the rest of the scanner data you have?
O2 sensor voltage?

color of electrodes of spark plugs?

corroded terminals at MAF &/or TPS connectors. or main connector at engine harness.


*TPS voltage be checked by measuring voltage at varied pedal positions.. increase in voltage directly proportional to increased pedal position
*MAF airflow voltage should also vary upwards with pedal position change
*02 sensor voltage should also play between 250mv to 800mv at idle.

... if both are acting erratically... and u have access to a spare, try a different ECU ;-)

... check also CAT-could be partially closed!(always happens. bimmer weakness)

Last edited by darkhorse737; 08-15-2009 at 11:57 PM.
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Old 08-18-2009, 03:01 PM   #11 (permalink)
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Originally Posted by darkhorse737 View Post
what year?
what is the rest of the scanner data you have?
O2 sensor voltage?

color of electrodes of spark plugs?

corroded terminals at MAF &/or TPS connectors. or main connector at engine harness.


*TPS voltage be checked by measuring voltage at varied pedal positions.. increase in voltage directly proportional to increased pedal position
*MAF airflow voltage should also vary upwards with pedal position change
*02 sensor voltage should also play between 250mv to 800mv at idle.

... if both are acting erratically... and u have access to a spare, try a different ECU ;-)

... check also CAT-could be partially closed!(always happens. bimmer weakness)
Thanks for all the helps>>>
the car DME is dead... so I changed it with the new one...
I found out this from my scanner that reads the battery voltage is 0...
and I also changed the air mass...
this car is not equipped with O2 sensors
now the car runs so well and so fast
thanks once again for all
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Old 08-18-2009, 03:57 PM   #12 (permalink)
OMFG another one!?
 
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Very glad it's sorted!
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