Thread: Mazda B4000 rough idle when warm
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Old 10-01-2012, 04:04 PM
02RangerFX4 02RangerFX4 is offline
Lil' Red
  
Join Date: Jan 2011
Posts: 6,368
Default Re: Mazda B4000 rough idle when warm
Quote:
Originally Posted by matthewavogt View Post
the valve IAC valve I bought from autozone has a life time warranty so i just replaced it a week ago. It made no difference
You could have a vacuum leak or your alternator could be going bad.
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