Whenever I accelerate from low speeds, the engine produces a loud sound and is a bit slow in accelerating. What could the problem be?
Oct 15, 2018 at 11:33 AM
Slow acceleration and loud engine noise at low rpm
2005 PEUGEOT 407
OTHMAN.EZZAT.YAMAK
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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
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
Oct 17, 2018 at 10:15 AM