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2003 Ford F-150 HARD STARTING WHEN HOT AND COLD

Tiny
DSINAZ
  • MEMBER
  • 2003 FORD F-150
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 103,000 MILES
TRUCK RUNS GREAT ALL THE TIME, BUT HAVING A PROBLEM STARTING IT HOT AND COLD AND ALSO HAS PINGING NOISE.
HAVE ALREADY REPLACED THE AIR FILTER, FUEL FILTER, IAC, MASS AIR FLOW, AND ECT SENSOR.
CLEANED THE AIR INTAKE TEMP SENSOR AND TRUCK WAS BACK TO NORMAL----BUT ONLY FOR ONE DAY.
FIGURE IT HAS TO BE A SENSORANY SUGGESTIONS?
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Sunday, September 19th, 2010 AT 2:01 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi DSINAZ, Welcome to 2carpros and TY for the donation

Check the fuel pressure-Could be low fuel pressure being caused by leaking injector/s and fuel pressure regulator-let me know
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Sunday, September 19th, 2010 AT 6:06 PM

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