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Engine surging during idle

Tiny
MISHACDL
  • MEMBER
  • 2004 MAZDA MPV
Front wheel drive automatic.

I have a van that has the check engine light on and is surging during idle. What this means is that as I sit at a stop light it feels as if my car is trying to surge forward and creates the feeling that I am pushing on and off the brake (to passengers, this is what it feels like).
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Sunday, August 8th, 2010 AT 7:03 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
This sounds like you have a vacuum leak somewhere in the engine. Here is a guide to help you find the problem.:

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

Please let us know what happens.

Cheers
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Tuesday, August 10th, 2010 AT 5:09 AM
Tiny
EGINGER
  • MEMBER
  • 0 POST
I had this problem and found out the air intake tube has a crack in it. Once I replaced it everything works good again.
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Friday, May 11th, 2018 AT 11:27 AM

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