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2000 BMW 740iL 4.4L Misfire, MIL Lamp on
Posted to European Driveability on 1/17/2011 9 Replies

I have a p0412 code and misfire on all cylinders. It has power on both sides of the fuel injectors which is very odd like it backfeeding. Check all the wiring and it is all good.

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car Vehicle Data

2000 BMW 740iL

VIN WBAGH8345Y
Engine4.4 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways
Misc.P0412

Trouble Codes

P0412Secondary Air Solenoid Circuit Malfunction
Message Closed

car Vehicle Data

2000 BMW 740iL

VIN WBAGH8345Y
Engine4.4 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways
Misc.P0412

Trouble Codes

P0412Secondary Air Solenoid Circuit Malfunction