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mike_a_mechanic, ASE Certified Technician
Category: Peugeot
Satisfied Customers: 5470
Experience:  17 years experience as a auto mechanic, foreign and domestic.5 years running my own repair business.
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Peugeot 406 2ltr coupe petrol engine year 2000

Resolved Question:

my Peugeot 2ltr coupe petrol engine year 2000 cuts out in idle revs when approaching roudabouts and juctions regularly. revs make a dramatic dip. there was a period when the revs would go up and down when no throttle was applied. this hasnt happened recently. no issues with cutting out other than low revs

Submitted: 3 years ago.
Category: Peugeot
Expert:  mike_a_mechanic replied 3 years ago.

Hello, welcome. My name isXXXXX will do my very best to
assist you with your question.

Are there any warning lights coming on?
Customer: replied 3 years ago.

hi mike.ive never seen any warning lights come on with this problem. there was nothing showing when I was connected to diagnostic machine either. cant think of any more info that could help.

Expert:  mike_a_mechanic replied 3 years ago.
The issue that you are describing is consistent with a failing mass air flow sensor,the mass air flow sensor measures the fuel /air mixture and when failing results in your issue.
mike_a_mechanic and other Peugeot Specialists are ready to help you
Customer: replied 3 years ago.

Expert:  mike_a_mechanic replied 3 years ago.
Thank you.