1991 Mazda b2200 Idling rough

1991 MAZDA B2200
4 CYL • RWD • MANUAL
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IRONICALLY
  • MEMBER
  • 1 POST
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
Oct 20, 2015 at 3:11 AM
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STRAILER
  • CAR REPAIR CONTRIBUTOR
  • 54,189 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
Oct 25, 2015 at 5:54 PM
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