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RPM goes down and high

Tiny
AVINASH JHA
  • MEMBER
  • 2006 CHEVROLET OPTRA
  • 1.6L
  • VR5
  • MANUAL
  • 8 MILES
I have purchased this car second hand. It is running fine but sometimes my rpm goes very high. And now while driving I use the clutch and the rpm goes down and it has started to miss now. Please help me.
Saturday, October 21st, 2017 AT 1:51 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
It sounds like you have a vaccum leak. Do you have a check engine light on? We should run the codes to see what comes up. Here are a couple of repair guide I need you to go over so we can get started on fixing your car.

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

and

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

Please let us know what happens.

Cheers, Ken

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Monday, October 23rd, 2017 AT 12:14 PM

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