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Car jerking

Tiny
VHUANTE21
  • MEMBER
  • 2008 MAZDA CX-9
  • 4WD
  • AUTOMATIC
  • 130,000 MILES
When I am driving the car and using the accelerator and pretty much staying at the same speed the car jerks. It kind of feels like hesitation once I release the accelerator it stops. It does not do this all of the time but is getting worse.
Friday, August 11th, 2017 AT 12:00 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,086 POSTS
Hello,

It sounds like your engine is misfiring. Have you replaced the spark plugs lately? If not here is a guide that will show you how to get the job done.

https://www.2carpros.com/articles/how-to-change-spark-plugs

and

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

Please let us know what happens.

Cheers, Ken
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Monday, August 14th, 2017 AT 10:19 AM

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