The engine will not idle?

Tiny
OMANOGOD62$
  • MEMBER
  • 2003 MAZDA B4000
  • 4.0L
  • V6
  • 2WD
  • AUTOMATIC
  • 240,000 MILES
After replacing battery, alternator, fuel filter, AEI valve on top of throttle body, EIC valve on the side of throttle body it still won’t stay running. Does crank but won’t stay running. Please advise.
Friday, May 2nd, 2025 AT 7:51 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
It sounds like you have a vacuum leak, but can I ask if you have a check engine light on? If so, we should run the codes, this guide can help:

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

Here is another guide to show you how to fix an engine that stalls at idle:

https://www.2carpros.com/articles/stall-at-idle

Please go over these guides and get back to us.
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Friday, May 2nd, 2025 AT 10:27 AM

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