Mechanics

: CRANKS OVER GREAT BUT WILL NOT START; HAPPENS ONLY WHEN IT IS COLD. STARTS FINE WHEN OUTSIDE TEMP. IS ABOVE 40 OR SO. SHOWS NO CODES; HAVE HAD FUEL PUMP,FILTER,RELAY SWITCH AND ENGINE TEMP. SENSOR REPLACED. STILL HAVING SAME PROBLEM.I

1999 Mercury Sable • 175,000 miles

Car cranks over great but will not start when outside temp. Is below 40. Have had fuel pump, filter, pressure regulator and relay switch replaced. Also had engine temp. Sensor replaced. Car showes no codes.
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Bren367
February 7, 2012.



When it doesn't start, check to make sure fuel is getting to the engine even though you replaced everything. Also, check to see if you are getting a good hot blue snapping spark to the plugs.

Spray it will it start?

Cadieman
Feb 7, 2012.