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No Fault on diagnostic but check engine light on

Tiny
KELLIEMCK
  • MEMBER
  • 2007 NISSAN X-TRAIL
  • 2.5L
  • 4 CYL
  • 4WD
  • MANUAL
  • 16,000 MILES
Light on, losing power but no fault on diagnostic test?
Saturday, September 12th, 2020 AT 3:39 AM

3 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

Usually, when the check engine light is on, there is a fault code stored.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

It may be your code reader that is not picking it up if it is in a system your reader cannot access. Take it to a parts store and have them read it for you with there scan tool.

Beyond that, it could be an issue with the ECM itself. As far as the low power, how long has it been since you changed your filters?

https://www.2carpros.com/articles/engine-has-low-power-output

Roy

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Saturday, September 12th, 2020 AT 12:51 PM
Tiny
KELLIEMCK
  • MEMBER
  • 2 POSTS
It was super cheap auto that did the diagnostic test. It is due for a service so I’ll will change filters and get back to you once done. Hope it helps
Thanks for your time.
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Saturday, September 12th, 2020 AT 10:08 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
You are welcome.

Keep us updated.

Always glad to help.

Roy
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Sunday, September 13th, 2020 AT 4:26 AM

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