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MY 96 BMW WONT START WHEN ITS COLD

I HAVE A 96 BMW AND WHEN ITS COLD THE ENGINE JUST TURNS BUT DOES NOT START AT FIRST I THOUGHT IT WAS A ALARM PROBLEM THEN I NOTICE IT WAS JUST WHEN ITS COLD OUT SIDE PARTS ARE EXPENSIVE FOR THE **** SO ANY ONE HAVE A IDEA

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  • Oldsmobile Master
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SCAN IT CHECK COOLANT SENSOR IT WILL CAUSES STARTING PROBLEMS IF ITS NOT WORKING.DOING COOL ENGINE START UP COOLING SENSOR MONITOR COOLANT TEMPERATURE SENSOR.IT WILL ENRICHEN FUEL MIXTURE JUST FOR COLD STARTING ENGINE.IT WORK LIKE SAME PRINCIPAL LIKE A CHOKE ON CARBURETER ENGINE.WHEN ENGINE WARMS UP THE COOLANT SENSOR AND OXYGEN SENSOR WILL LEAN OUT FUEL SYSTEM .WHICH IS CLOSED LOOP.CHOKE ON CARBURETER WILL OPEN AUTOMATICALLY AS THE THERMOSTATIC METAL COIL WARMS UP.YOU NEED A RICH FUEL MIXTURE WHEN COLD STARTING ENGINE.NOW A CLOGGED AIR FILTER BAD PLUGS + WIRES CAUSE WEAK SPARK NO START UP.SO I WOULD HAVE A GARAGE OR SOME BODY WITH A SCANNER SCAN IT TO SEE WHAT THE PROBLEM IS.YOU WONT SPEND TOO MUCH MONEY GUESSING.

Posted on Sep 30, 2009

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