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BMW E46 1.8 2000 - Fault code 171 check fuel supply #

Posted by Simon Forsey on September 2, 2010, 11:16 am

Year of Manufacture *: 2000
Engine Size and Code *: 318
( Optional ) Scanner Used: Autodiagnos
( Optional) Fault Codes: 171 Check fuel supply

Hi

Can anyone help with this code

171 Check fuel supply.

No P codes on this car. it is a Japanese import.

MIL on, no reported symptems with the car.

Regards

Simon

Re: BMW E46

Posted by Sean Mc Gettigan <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=UKAT5291' width='330' height='300' border=0 style='border:none;'> on September 2, 2010, 12:23 pm, in reply to "BMW E46"
Sean McGettigan

Hi Simon, 171 is a fuel mixture adaption(trim) fault.

Regards
Sean

Re: BMW E46

Posted by Alan Potter <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=UKAT2830' width='330' height='300' border=0 style='border:none;'> on September 3, 2010, 2:01 pm, in reply to "Re: BMW E46"

Id smoke it or spray around pcv valve first if the trims high at idle or suspect maf if out at high rpm. probably to old for obd on a scan tool but add and multi values should be in good bmw software. hth alan.

Re: BMW E46

Posted by Dave Houghton <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=UKAT1868' width='330' height='300' border=0 style='border:none;'> on September 3, 2010, 7:05 pm, in reply to "Re: BMW E46"
David Houghton

Had exactly the same code out of a 2001 318i yesterday using Autodiagnos,veh had failed to start from cold then fired up leaving mil on but running ok now,investigation found that if you struck(by hand) the underside of the tank when the veh wouldnt start the fuel pump would spring into life.New assy fitted £95+vat from GSF and all ok.This veh in question had covered 125k.

Re: BMW E46 1.8 2000 - Fault code 171 check fuel supply #

Posted by leigh burgess <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=ukat3068' width='330' height='300' border=0 style='border:none;'> on September 8, 2010, 7:43 am, in reply to "BMW E46 1.8 2000 - Fault code 171 check fuel supply #"

HI
I have seen this fault many times on this engine,
first check that you have no air leaks in the breather system,if this is ok then the air mass meter is defective and will need replacing,make sure you get a OE spec air mass meter as there are many cheap ones around that will give you more running problems.

Re: BMW E46 1.8 2000 - Fault code 171 check fuel supply #

Posted by Richard Endean <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=UKAT2939' width='330' height='300' border=0 style='border:none;'> on September 13, 2010, 1:23 pm, in reply to "Re: BMW E46 1.8 2000 - Fault code 171 check fuel supply #"
Richard Endean

Check front crank seal for fuel trim faults on these.

Re: BMW E46 1.8 2000 - Fault code 171 check fuel supply #

Posted by Piotr Sokolowski <iframe src='https://members5.boardhost.com/ukautotalk4/info/user=UKAT1848' width='330' height='300' border=0 style='border:none;'> on September 13, 2010, 9:35 pm, in reply to "Re: BMW E46 1.8 2000 - Fault code 171 check fuel supply #"

air flow meter

Link: www.pandpauto.eu

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