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Sputters

Tiny
JEREMY HANES
  • MEMBER
  • 2005 CHEVROLET TAHOE
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 171,000 MILES
My vehicle quit running a few times then it sputters under acceleration. I cannot get above seventy mph without it sputtering. It is intermittent. One day it was sputtering and the engine light came on. I had it scanned and it was a crank shaft position sensor. The tech affirmed me this was the problem as the sensor was basically misfiring. I replaced it and it continues with the same issues. Some days it will not sputter at all unless I go seventy mph, other days it will sputter at twenty to thirty mph. I am lost. I was told it is not a fuel problem. It always starts right back up after it shuts off.
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Thursday, August 24th, 2017 AT 9:45 AM

5 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,861 POSTS
It sounds like you are having a misfire problem which shows up under acceleration, have you replaced the spark plugs and wires with AC Delco parts? This is where I would start.

Here is a guide to help you get started:

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

Please let us know what happens so it will help others.

Cheers, Ken
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Friday, August 25th, 2017 AT 11:41 AM
Tiny
JEREMY HANES
  • MEMBER
  • 3 POSTS
What about coil packs? I will do plugs and wires and see where that gets me.
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Friday, August 25th, 2017 AT 1:51 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,861 POSTS
Okay I think you will be pleased, use AC Delco cost a bit more, there is a reason for it.

Here they are on Amazon

https://www.amazon.com/gp/product/B000S2QVYE/ref=as_li_qf_sp_asin_il_tl?ie=UTF8&tag=2carprcom-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B000S2QVYE&linkId=33b2670f1b33632f149e58c41f6a6c29

and

https://www.amazon.com/gp/product/B000C9R01Q/ref=as_li_qf_sp_asin_il_tl?ie=UTF8&tag=2carprcom-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B000C9R01Q&linkId=c96937926bde077803486428e8567832

Make sure you get 8

Please let us know what you find.

Cheers, Ken
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Friday, August 25th, 2017 AT 7:18 PM
Tiny
JEREMY HANES
  • MEMBER
  • 3 POSTS
Did plugs and wires and running great. Spent about $135 for plugs and wires. Took about 2 hours for me to do in my driveway.
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Tuesday, September 5th, 2017 AT 8:10 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,861 POSTS
Good to hear, please use 2CarPros anytime we are here to help.

Cheers, Ken
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Tuesday, September 5th, 2017 AT 11:50 AM

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