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P0270 Diagnostic Trouble Code Discussion for March 2006

Fuel Injector 4 Circuit Low

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Trouble Ticket Help Requests for DTC P0270
Help Request Posted
1988 BMW M3 2.3L MIL Lamp on VIN: WDSCDO32XW
P0270: Cat Conv efficency. This car runs perfect. It must be driven in the area of 100 miles before it will trip this code. It has new ox sensors and has had two different Cats installed(Direct fit). The scan tool always shows active ox sensors. The code will usually set while driving a...
March 28, 2006