No power on CPS or CSS with key on

2003 FORD F-150
230,000 MILES • 4.6L • V8 • 2WD • AUTOMATIC
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KENNETH CHURCH
  • MEMBER
  • 3 POSTS
Should there be power with key on?
Oct 1, 2019 at 2:52 PM
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BMDOUBLE
  • ✓Experienced Mechanic
  • 1,139 POSTS
Pardon if I ask what CPS and CSS are? I've been a Ford dealer tech since 1992 and haven't heard of these acronyms.
Oct 2, 2019 at 2:32 AM
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KENNETH CHURCH
  • MEMBER
  • 3 POSTS
Crank shaft sensor, cam shaft sensor.
Oct 3, 2019 at 5:12 AM
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BMDOUBLE
  • ✓Experienced Mechanic
  • 1,139 POSTS
No sir, they are variable reluctance sensors, meaning that they generate 0-1 volt signal when the engine is cranking or running only.
Oct 3, 2019 at 6:33 AM
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