F350 7.3L, P0221 Throttle Switch B Circuit Performance

Tiny
IBM3554
  • MEMBER
  • FORD F-350
What part or parts do I need to replace or check for this problem. The truck has 160K miles on it. It would not throttle right and it would seem to shut down while driving.
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Sunday, April 8th, 2007 AT 10:36 AM

1 Reply

Tiny
MERLIN2021
  • EXPERT
My guess would be the thottle position sensor.
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Monday, April 9th, 2007 AT 1:32 PM

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