Fuel pressure circuit sensor

2005 FORD EXPLORER SPORT TRAC
164,500 MILES • 4.0L • AUTOMATIC
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SHAY0227
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  • 1 POST
When the engine is scanned it gives a p0193 code. And it tells me it's the fuel pressure sensor. I've replaced it twice in the past month and the engine light came on again and gave the same code. What could it be?
Oct 5, 2026 at 8:13 AM
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MECHTRIX
  • ✓Experienced Mechanic
  • 530 POSTS
Since you've already changed it then the next things to look for would be

Cracked or disconnected vacuum lines all of them

Disconnected loose broken melted hardened
Wires to the pressure sensor and look for bad loose broken grounds for that circuit also
This is one of the most comon cuases for the codes youre getting

Check volts at the plug 5 vots
Clean all connections with electrical cleaner and on dirty grounds with fine sand paper and cleaner ...let us know what you find good luck hope this helps

Oct 5, 2026 at 9:41 AM
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