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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 01-31-2014, 09:29 AM   #1
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Join Date: Jan 2014
Location: Toronto
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My Ride: BMW 3 25 CI
Car revs automatically but cannot accelerate


I am having an issue with my 2004 BMW 3 25 Ci. I was away for a few weeks and left the vehicle outside in the brutal Canadian winter. When I got back, I started the car and it started normally. However, the engine seems to be revving on its own in idle and when i press the gas, nothing happens. Is this a cold weather issue? Did something get damaged because of the cold? Any help would be great.


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Old 01-31-2014, 08:03 PM   #2
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Location: Socal
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My Ride: 1.8T, XC70
It's not a typical cold weather issue, but the cold this winter isn't typical either.
Try to get your car into a warm garage and keep it there for a day.
Then disconnect the battery for like 10 minutes and see what happens.

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"Would the codes indicate if it's the carburator?"
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Old 02-01-2014, 10:40 AM   #3
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Maybe check the throttle body and the wiring to it?
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Old 03-10-2014, 04:27 PM   #4
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My Ride: 330i Sports Edition
Revving @ idling

It's the Idle Control Valve : ICV ... make sure to clean it until it rattles inside it's cage... mine have the same problem... because I was afraid I might break it it has stuck open or close -and not rattling around ... after reading the common symptoms. I figured out it was in the idle control valve for IDLING problems. I'm going to clean this after I get home... with all the revving
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cold weather, problem

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