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2001 BMW 525i 2.5L Poor Idle Quality, Misfire, MIL Lamp on
Posted to European Driveability on 1/25/2008 14 Replies

Hi group, E 39 BMW, 2001 525I. random misfire code p0300, along with code p0171, p0174, lean system bank 1 and 2, p1343,p1345,misfire cyl#1 and cyl#2 fuel cut off, after a smoke test, I replaced crank case oil seperater vent valve with 4 connecting pipes. was ...

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  Related Documents & Media  2001 BMW 525i

 
Message Closed w/FIX

car Vehicle Data

2001 BMW 525i

VIN WBADT4349I
Engine2.5 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
Misc.4 Door Sedan E-39 Body

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
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 525i

VIN WBADT4349I
Engine2.5 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
Misc.4 Door Sedan E-39 Body

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
P1343Camshaft Position Sensor 'A' Circuit High (Bank 2)
P1345Mass Airflow Sensor Loose Contact With Low Frequency