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2008 BMW 550i 4.8L Poor Idle Quality, Surge, Misfire, MIL Lamp on
Posted to European Driveability on 2/19/2020 8 Replies

This vehicle has strange intermittent lean condition, it only occurs once during drive cycle & only after sitting overnight, it only occurs when temperature is cool out. Engine starts up fine idle stable, but after 1/2 to 1 mile of driving only when coming...

8 Replies Received (View Replies)

  Related Documents & Media  2008 BMW 550i

 
Message Closed w/FIX

car Vehicle Data

2008 BMW 550i

VIN WBANW53518
Engine4.8 L / 8 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Misfire, MIL Lamp On
OccursCold, Idle, Intermittently, Only Once After Sitting Overnight

Trouble Codes

P0300Multiple Misfire Detected
P0301Cylinder 1 Misfire Detected
P0302Cylinder 2 Misfire Detected
P0303Cylinder 3 Misfire Detected
P2187Fuel Trim System Rich At Cruise Or Acceleration (Bank 1)
P2189Idle Speed At Startup Too High
Message Closed w/FIX

car Vehicle Data

2008 BMW 550i

VIN WBANW53518
Engine4.8 L / 8 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Misfire, MIL Lamp On
OccursCold, Idle, Intermittently, Only Once After Sitting Overnight

Trouble Codes

P0300Multiple Misfire Detected
P0301Cylinder 1 Misfire Detected
P0302Cylinder 2 Misfire Detected
P0303Cylinder 3 Misfire Detected
P2187Fuel Trim System Rich At Cruise Or Acceleration (Bank 1)
P2189Idle Speed At Startup Too High