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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 11-09-2009, 09:56 AM   #1 (permalink)
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crank sensor

can anyone explain to me what the crank sensor does and how affects the running of the car. if driving along and i come to a stop, clutch in, the engine rpm drops very low and sometimes picks up or sometimes stalls. checked the idle control valve and maf sensor so this is the only thing that comes up on the codes after running a diagnostic.
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Old 11-09-2009, 10:23 AM   #2 (permalink)
OMFG another one!?
 
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It tells the engine computer what rotation angle the crank is in. If the codes say it's bad, most likely it needs replacement.
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Old 11-09-2009, 10:42 AM   #3 (permalink)
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It also controls fuel pump and fuel relay.......if diag says thats whats the matter......
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Old 11-09-2009, 11:38 AM   #4 (permalink)
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so if it's faulty, when it tries to turn over it won't start until it kicks into life. is that right? how about when the car comes to a stop? not switched off but stationary at the lights. why doe sit stop then?
all this injection thingy makes me wanna put on a set of 3 double webbers, heh heh.
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Old 11-14-2009, 10:40 AM   #5 (permalink)
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crank sensor replaced, all is good. thanks people.
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Old 11-14-2009, 11:38 AM   #6 (permalink)
OMFG another one!?
 
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Great news!
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Old 11-15-2009, 04:52 PM   #7 (permalink)
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Hey guys im New..

Ihave 323i auto keeps stalling having cranksensor fitted 2moro for $20 so hopefully fingers crossed will solve the problem..

ive replaced the air filter. ICV.02 sensor but still happens.. i will be so happy if this works
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Old 11-16-2009, 05:33 AM   #8 (permalink)
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it should do the trick dude. i found it drove fine until it came to a junction where i had to stop. i also found and can now relate this to the sensor, is it had trouble starting. turning over more than it should do before kicking into life.
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