fiat palio looses power, chokes and smokes, smoke is white and smells of fuel

2001 FIAT PALIO
185,000 MILES
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HAWAS
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the car jst looses power and chokes, then starts smokin , the smoke is white in colour and smells of fuel .. i have changed the coil and pick up sensor and idea what the problem could be
May 15, 2012 at 9:12 AM
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RASMATAZ
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Check the fuel pressure with a gauge if its within specs-start here
May 15, 2012 at 9:45 AM
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HAWAS
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THE PROBLEM IS NOT CONSISTENT ... AFTER CHECKIN THE FUEL PRESSURE, HOW TO I STOP THIS FROM HAPPENING AGAIN
May 15, 2012 at 10:17 AM
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RASMATAZ
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Probable causes of an engine running rich are as follows:

1.Excessive fuel pressure can be cause by restricted fuel return line

2.Defective Oxygen Sensors.

3.Leaking injectors and fuel pressure regulator.

4.Coolant temperature sensor out of calibration.

5.Restricted air intake system.
May 15, 2012 at 10:40 AM
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HAWAS
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PLS ADVICE: THE PROBLEM IS IRRATIC WHICH OCCURS AT ANY TIME.WHEN THE PROBLEM OCCURS THE POWER DROPS AND MISSES CAUSIN HEAVY WHITE SMOKE .COULD THE BREATHER OF THE ENGINE BE FAULTY OR THE EMS SENSOR ?
May 15, 2012 at 11:21 AM
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RASMATAZ
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Start troubleshooting the 2nd post and then comeback with the testing results
May 15, 2012 at 4:35 PM
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HAWAS
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GOOD DAY WE HAVE DONE THE TROUBLESHOOTIN AND THE 2ND POST TEST RESULTS ARE ALL CLEAR , BUT PROBLM STILL PERSISTS .... COZ THE PROBLEM IS INTERMITENT FIAT CANNOT PIN POINT THE CAUSE OF THE PROBLEM .. WAT OTHER OPTIONS DO I HAVE
May 17, 2012 at 1:42 PM
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RASMATAZ
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I gave you all I got-sorry
May 17, 2012 at 3:23 PM