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Motor trouble 1996 cobra Excalibur 5.0
I have a 1996 Cobra Excalibur, 5.0 L engine. When I start it, sometimes it will run fine and other times the white dash light lights up, the engine runs very rough and rich. I use to be able to turn it off and start it back up just fine. Now the light is on continuously. I have changed the spark plugs, wires, fuel pressure regulator, and cleaned the mass air flow sensor with no success. Need help, anyone have any ideas?
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