Loss Of Power And Vibrations While Accelerating - BMW Forum - BimmerWerkz.com
3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

 
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#1 (permalink) Old 03-18-2005, 06:07 AM
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I need urgent advice here. I am driving a 3-year old right-hand drive E46 318i automatic. This morning, when I turned on the ignition, the car started to vibrate at idle speed. The tachometer needle was quivering around 750 rpm. When I stepped on the gas pedal, the acceleration was sluggish as though the handbrakes were still on. (I checked and confirmed that the handbrake was released) Whenever I stepped on the gas pedal, the vibrations would start until I lifted up the gas pedal. Otherwise, none of the warning lights were on. This is the first time that this has happened. What could be the problem? A friend suggested that the fuel injection system could be clogged up. Please advise.

A Singaporean
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#2 (permalink) Old 03-20-2005, 12:15 PM
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Quote:
Originally posted by mozartean@Mar 18 2005, 06:07 AM
I need urgent advice here. I am driving a 3-year old right-hand drive E46 318i automatic. This morning, when I turned on the ignition, the car started to vibrate at idle speed. The tachometer needle was quivering around 750 rpm. When I stepped on the gas pedal, the acceleration was sluggish as though the handbrakes were still on. (I checked and confirmed that the handbrake was released) Whenever I stepped on the gas pedal, the vibrations would start until I lifted up the gas pedal. Otherwise, none of the warning lights were on. This is the first time that this has happened. What could be the problem? A friend suggested that the fuel injection system could be clogged up. Please advise.

A Singaporean
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fuel injection system could be,but before,check the coils that are located on the Black(electrical shots)....
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#3 (permalink) Old 03-20-2005, 02:38 PM
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It could be , but I would check the battery first, it could be the car not getting the adequate amount of current.
The injection system should not not really get clogged up, the gas filter is supposed to prevent that.
It could be any number of things , so if it persits you should consult your mechanic.
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#4 (permalink) Old 03-20-2005, 07:32 PM
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Thank you guys for the information. I sent my car in and was told that there was indeed a problem with the fuel management system. The problem is now rectified and driving is now a breeze.
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#5 (permalink) Old 10-26-2005, 02:19 PM
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i has a similar problem, the pressure of soemthing in in the engine was set to 350 rather than 80, when i took it down to the dealer for the second time they sorted it out for me. I know it's not a a detailsed anwer but i'm not a mechanic : -)
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