throttle response not consistant. Nothing at first then lots.

2004 FORD EXPLORER
85,000 MILES
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PONTIAC FIREBIRD
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2004 ford explorer.has no throttle response when pedal is first pushed a bit ,then more than you need. (nothing then lots). Is it throttle position sensor or fuel or...?
Jun 12, 2012 at 7:45 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,236 POSTS
Check the TSP first. Then move to fuel pressure.
Jun 12, 2012 at 7:48 PM
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