Hesitation when accelerating

Tiny
CHARLIEJ
  • MEMBER
  • 2006 CHEVROLET TRAILBLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
Hesitation when accelerating.
Saturday, April 13th, 2019 AT 7:59 PM

2 Replies

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

This can be caused by a few different things like fuel pressure, spark plugs, a leak in the intake system, Mass Air Flow sensor (MAF), or a couple of other things. So, it's going to be a process of elimination, so a little patience will go a long way here. I have included a link for you to go to down below:

https://www.2carpros.com/articles/engine-hesitates

Please go through this guide and get back to us with what you find out please. We can go from there.

Thanks,
Alex
2CarPros
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Sunday, April 14th, 2019 AT 4:33 AM
Tiny
SEVAG P
  • MECHANIC
  • 405 POSTS
Hello thanks for using 2CarPros.

Our problem can be from fuel system or ignition system first we must check the fault codes.
https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

send fault codes to us for more trouble shooting.

check our guide for more tips for engine hesitation:
https://www.2carpros.com/articles/engine-hesitates
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

check fig 1,2,3 for trouble shooting hesitation specific to your vehicle.
let us know what happens with you.
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Sunday, April 14th, 2019 AT 4:40 AM

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