Join Date: Mar 2005
Location: Scottsdale, Arizona
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This code is stored when the DME detects excessivedeviations in the air-fuel mixture (too rich or too lean) for longerthan 10 seconds. Possible causes: Fuel tank ran empty,Incorrect Fuel Pressure, Injector valve defective or coked,Engine Temperature Sensor defective, Secondary air leak,Fuel evaporation control system defective, Air Flow Meterdefective and/or the combustion is being disturbed bymechanical failure (Spark plugs,, compression,intake/exhaust valves, ...etc.)
Pull your plugs and check them. Alot of running problems can be diagnosed by the condition of the plugs. It'll tell you if youre running rich or lean. Also a compression test could be helpful, certain m60's are problematic, even today bad ones still pop up every once in a while.
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