Slow acceleration and loud engine noise at low RPM

Tiny
OTHMAN.EZZAT.YAMAK
  • MEMBER
  • 2005 PEUGEOT 407
  • 1.8L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 100 MILES
Whenever I accelerate from low speeds, the engine produces a loud sound and is a bit slow in accelerating. What could the problem be?
Monday, October 15th, 2018 AT 11:33 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,883 POSTS
Hello,

It sounds like you have a plugged catalytic converter. Here are two guides that will help us find the problem. Can you please shoot a quick video with your phone so we can hear the noise? That would be great. You can upload it here with your response.

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

and

https://www.2carpros.com/articles/engine-has-low-power-output

Please run down these guides and report back.

Cheers, Ken

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Wednesday, October 17th, 2018 AT 10:15 AM

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