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2001 BMW 325i 2.5L Hesitation, Stall, Misfire
Posted to European Driveability on 2/27/2010 16 Replies

Hello BMW Techs: I have this 01 325i which came in with a rough idle and stalling. DTCc: p0174 sys lean b2, p0171 sys lean b1. Also p1345 p1343 p1342 which my scan had no definition. I found a vacum leak, crank breather hose at dipstick tube was broken, and re...

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car Vehicle Data

2001 BMW 325i

VIN WBAAN37401
Engine2.5 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation, Stall, Misfire
OccursHot, Under Load, Idle

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P1342Camshaft Position Sensor 'A' Circuit Low (Bank 2)
P1343Camshaft Position Sensor 'A' Circuit High (Bank 2)
P1345Mass Airflow Sensor Loose Contact With Low Frequency
Message Closed w/FIX

car Vehicle Data

2001 BMW 325i

VIN WBAAN37401
Engine2.5 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation, Stall, Misfire
OccursHot, Under Load, Idle

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P1342Camshaft Position Sensor 'A' Circuit Low (Bank 2)
P1343Camshaft Position Sensor 'A' Circuit High (Bank 2)
P1345Mass Airflow Sensor Loose Contact With Low Frequency