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Cranks no start

Tiny
AH8007
  • MEMBER
  • 2006 FORD FUSION
  • 3.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 198,000 MILES
Not getting spark. Have voltage at ignition coils. But do not have voltage at crankshaft, camshaft or fuel injectors. What could cause this?
Wednesday, December 25th, 2019 AT 3:41 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,117 POSTS
Hi,

Power to the Crank and Cam sensors is from the power-train control module. Have you checked at the module to confirm it is good and there isn't an issue with it? Also, disconnect the battery and then disconnect the PCM harness to make sure there is no corrosion issues or pin connection issues.

I attached a portion of the schematic so you can see which wires to check at the PCM. Also, make sure all ignition fuses are good as well.

Let me know what you find.
Joe
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Wednesday, December 25th, 2019 AT 8:22 PM
Tiny
AH8007
  • MEMBER
  • 63 POSTS
Found the yellow/violet wire. I grounded my multi meter and touched the copper on the yellow/violet wire and I got no voltage.
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Thursday, December 26th, 2019 AT 5:36 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,117 POSTS
Did you check it right at the PCM? Also, have you disconnected the PCM to see if there is power direct to that wire?
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Thursday, December 26th, 2019 AT 5:18 PM

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