Truck starts, idels and runs perfect but after highway speed... PLEASE HELP!

15,900 MILES
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SKYGUY1
  • MEMBER
  • 2 POSTS
Truck runs and idels great. Once out on the road and driving highway speed I will exit and come to stop now truck is still running but once I take off and get to 2nd gear it will sputter and backfire and won't pick up speed. Feels like its not getting fuel but I have already replaced fuel pump and getting good pressure. What could be the problem here?
Mar 7, 2012 at 5:50 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
Check the crank sensor
Mar 7, 2012 at 8:05 PM
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SKYGUY1
  • MEMBER
  • 2 POSTS
I've replaced the crank sensor, cam position sensor, throttle position sensor, and the ignition coil. Still has the same problem and engine light still on.
Mar 7, 2012 at 9:46 PM
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