Knocking noise while accelerating?

2005 CHEVROLET IMPALA
160,000 MILES • 3.8L • V6 • 2WD • AUTOMATIC
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CJ777
  • MEMBER
  • 1 POST
Hello,

When i accelerate from a stop it will make a knocking noise from the front (sometimes) and also at low speeds. i just got a tune up, new spark plugs, replaced oil pressure switch, new air filter, fresh oil change. what can be the cause? i need expert advice.
Jun 8, 2023 at 9:43 PM
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,178 POSTS
It sounds like you have a rod knock but to be sure can you please shoot a quick video with your phone so I can hear the noise? That way I can tell for sure what's going on. You can upload it here with your response.

This guide can help as well:

https://www.2carpros.com/articles/understanding-and-repairing-engine-knocking-noise-an-in-depth-guide

Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.
Jun 9, 2023 at 12:56 PM
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