RPM surge?

Tiny
NICHOLAS ALI
  • MEMBER
  • 2002 NISSAN ALMERA
  • 1.8L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 300,000 MILES
My RPMs surge while driving uphill between 1,500 and 2,000 RPMs, if I release the gas the RPMs will stabilize.
Sunday, September 28th, 2025 AT 7:41 AM

3 Replies

Tiny
KRAKENAUTO
  • MECHANIC
  • 69 POSTS
Are there any engine lights on?
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Sunday, September 28th, 2025 AT 11:06 AM
Tiny
NICHOLAS ALI
  • MEMBER
  • 2 POSTS
No engine lights on.
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Monday, September 29th, 2025 AT 3:05 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,149 POSTS
When this happens it means you could have a weak fuel pump or a clogged air filter or catalytic converter. I would use this guide to check the cat first since you don't have any check engine lights on.

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

Please go over this guide and get back to us. Also, when we the last time the engine had a tune up?
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Tuesday, September 30th, 2025 AT 9:02 AM

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