When accelerating loses power and runs rough

1999 CHEVROLET TAHOE
212,000 MILES • 5.7L • V8 • 4WD • AUTOMATIC
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MICHALE
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  • 8 POSTS
When I give it gas it loses power and runs rough. changed the spark plugs still no change.
Aug 1, 2019 at 5:47 PM
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KASEKENNY
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  • 18,907 POSTS
Hi Michale,

There are a number of things that can cause this. We need to start with if there are any codes. If there are then we can work from there.

Here is a guide that will help point you in the right direction. Give this a read and let me know what you find.

https://www.2carpros.com/articles/engine-has-low-power-output
Aug 2, 2019 at 3:25 PM
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MICHALE
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  • 8 POSTS
All four O2 sensors are bad and camshaft sensor location.
Aug 11, 2019 at 5:56 PM
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KASEKENNY
  • CERTIFIED EXPERT
  • 18,907 POSTS
Hi,

Attached are the o2 sensor locations and the camshaft sensor location which is the top rear center of the engine. Let me know if you need more information. Thanks
Aug 11, 2019 at 6:15 PM