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Code PO325 keeps popping up

Tiny
ELAWSON
  • MEMBER
  • 1998 TOYOTA TACOMA
  • 2.4L
  • 4 CYL
  • 2WD
  • MANUAL
  • 293,000 MILES
Poor gas mileage and lack of power when po325 shows.
Monday, January 29th, 2018 AT 1:52 PM

5 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,873 POSTS
Given the mileage, a good suspect is a stretched timing chain. That will cause low power, and if it is slapping against the housing, the knock sensor will pick that up as spark knock. You can see this on a scanner as the engine computer keeps retarding spark timing, or the timing is bouncing around.
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Monday, January 29th, 2018 AT 2:29 PM
Tiny
ELAWSON
  • MEMBER
  • 4 POSTS
Thanks for the helpful information. I will check the timing components.
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Monday, January 29th, 2018 AT 2:56 PM
Tiny
CARADIODOC
  • MECHANIC
  • 33,873 POSTS
Keep me informed of your progress. I will get another expert involved if that becomes necessary.
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Monday, January 29th, 2018 AT 3:51 PM
Tiny
ELAWSON
  • MEMBER
  • 4 POSTS
Could you tell me the location of the knock sensor?
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Monday, January 29th, 2018 AT 4:00 PM
Tiny
CARADIODOC
  • MECHANIC
  • 33,873 POSTS
Hope you can read this. It gets too blurry if I try to expand it too much.
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Monday, January 29th, 2018 AT 4:56 PM

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