Car Hunting On Tick Over - BMW Forum - BimmerWerkz.com
5-Series (E12,E28, E34, E39, E60) Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)

 
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#1 (permalink) Old 10-30-2008, 04:44 PM
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Angry Car Hunting On Tick Over

Hi
Got A 525tds Which Is Hunting On Tick Over,when Driving Car As Run Perfect.changed Fuel Temterature Sensor As Diagnostic Said. Also Changed Air Flow Meter And Changed Fuel Filter And Flushed Fuel System.out But Car Still Same. Help Please
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#2 (permalink) Old 10-30-2008, 06:05 PM
OMFG another one!?
 
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witeshark is just really nice witeshark is just really nice witeshark is just really nice witeshark is just really nice witeshark is just really nice
Could you add some detail?

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#3 (permalink) Old 10-31-2008, 09:58 AM
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car kicks black smoke when started . it also sounds like choke is sticking on, if car was a petrol i would change plugs that is what the car sounds like when misfiring. car runs fine when you drive it. had car on computer and there is no electrical faults now but the 1st time it went on ,a fault on the fuel temperature sensor registered but ive now put a new one on and now the fault is clear.
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#4 (permalink) Old 11-10-2008, 12:58 PM
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If you raise tickover slightly does it run ok,ie another 200 to 250rpm and it settles ?.What mileage has it done ?.When it 'hunts' do the revs rise quick as if throttle has been tapped gently and then drop back and engine rock on mounts/revcounter only showing around 100rpm rise but engine revs/sounds like it was running on four cylinders then the other two are being put on for a split second then off again.If the car is auto does it lurch and shake when idling in drive.I have a e34tds that had potentiometer fail and gave same symptoms,would run fine but tickover was erratic and very shakey,this would come and go,the pots tickover part of travel was worn out.
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