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Intermittent engine surge when car is stopped

Tiny
KITTY STROBLE
  • MEMBER
  • 1991 HONDA CRX
  • 1.5L
  • 5 CYL
  • MANUAL
  • 300,000 MILES
Every now and then the engine will do a power surge. It happens mainly when I am at a stop light and car has warmed up. Would this be a fuel pump related problem or something with the air control?
Monday, February 25th, 2019 AT 7:41 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,133 POSTS
Hi Kitty, and welcome back:

If the idle is erratic, I have a couple ideas but my first suspect is an engine vacuum leak. Try this test first and let me know the results.

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Let me know what you find or if you have other questions.

Take care,
Joe
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Monday, February 25th, 2019 AT 5:54 PM

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