1991 Mazda B2200 Idling rough

Tiny
IRONICALLY
  • MEMBER
  • 1991 MAZDA B2200
  • 4 CYL
  • RWD
  • MANUAL
Hi when I start my car it idles rough like it wants to cut out for a while once warmed up it idles high thn low and so on please help what could be my problem
Tuesday, October 20th, 2015 AT 3:11 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,110 POSTS
Hi Ironically,

I sounds like you have a vacuum leak somewhere at the engine intake system or vacuum tubing. Please follow this guide and let me know what you find,

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

Best, Ken
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Sunday, October 25th, 2015 AT 5:54 PM

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