Loss of power

2006 NISSAN SERENA
115,600 MILES • 2.0L • 4 CYL • 2WD • AUTOMATIC
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M'NDEGWA
  • MEMBER
  • 1 POST
(C 25) I experience loss of power every time I drive for long distance especially with the AC engaged. After driving for fifty or so Km's the engine cannot get beyond 2000 rpm's.
Jan 22, 2018 at 7:13 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,553 POSTS
Hello,

It sounds like you have a plugged catalytic converter but to confirm the issue lets run down this guide to see what happens.

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

and

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

Please run this test and get back to us.

Cheers, Ken

Jan 24, 2018 at 5:02 AM
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FRANKLINE
  • MEMBER
  • 2 POSTS
Nissan Serene c25 low engine power when going uphill.
Aug 14, 2018 at 7:43 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,553 POSTS
Have you gone over the guide above? If so what did you find? Is the catalytic converter clogged?
Aug 16, 2018 at 3:53 AM
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