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Trouble codes PO446 and PO453

Tiny
TROOP14
  • MEMBER
  • 2015 FORD ESCAPE
  • 2.0L
  • 3 CYL
  • TURBO
  • 2WD
  • AUTOMATIC
  • 40,000 MILES
PO446 & PO453.
Wednesday, January 22nd, 2020 AT 10:48 AM

3 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
I attached the diagram for these codes. I would suggest following the P0453 first and seeing if that fixes both. If not, then you can perform the other which should take care of it.

Let me know if you have questions. Thanks
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Wednesday, January 22nd, 2020 AT 5:24 PM
Tiny
TROOP14
  • MEMBER
  • 4 POSTS
Checked voltage read 4.7. Is that good?
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Thursday, January 23rd, 2020 AT 2:16 PM
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
I assume you measured on the fuel tank pressure sensor and got 4.7 volts? If this is the case then you need to move onto step HX20. I highlighted what you need because you don't have the codes mentioned so you need to proceed and measure resistance on the harness from the PCM to the FTPS.
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Friday, January 24th, 2020 AT 6:40 PM

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