Losing power and knocking noise

2011 NISSAN PATHFINDER
150,000 MILES • 2.5L • 4 CYL • 4WD • AUTOMATIC
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YOHAN_25
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  • 2 POSTS
When I start knocking noise from engine bay can't drive more than 40kph no power. When the engine is hot can't start
Oct 12, 2020 at 5:11 PM
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JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 110,190 POSTS
Hi,

Is the check engine light on when the engine runs? Is it flashing? As far as a knocking, that could be an internal engine issue. Take a look through this link. It discusses the most common engine sounds, their causes, and how they are repaired.

https://www.2carpros.com/articles/engine-noises

Next, do me a favor. After driving it, look under the vehicle at the catalytic converter and see if it is red hot.

One last thing. Could you confirm the engine size. What you indicated wasn't an option.

Let me know.
Joe
Oct 12, 2020 at 5:35 PM
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YOHAN_25
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  • 2 POSTS
Engine light on but not flashing plus VDC and traction control lights on.
Engine size 2.5L diesel looks sound coming from turbo.
Oct 12, 2020 at 6:10 PM
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JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 110,190 POSTS
Hi,

The diesel isn't offered in the US, so I have no technical info. However, I would still like to help. Is it possible for you to record the noise you hear and upload it for me?

Joe
Oct 12, 2020 at 6:47 PM