Idling issue and surging

Tiny
BYRON MANNING
  • MEMBER
  • 2001 SAAB 9-3
  • 173,000 MILES
Engine Idling problem driving surging. No check engine light. No codes
Wednesday, July 3rd, 2019 AT 5:13 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,961 POSTS
Hello,

This sounds like you could have a vacuum leak causing the issues. To be sure lets use this guide:

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

Please run down this guide and report back.
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Thursday, July 4th, 2019 AT 2:29 PM

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