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mike_a_mechanic
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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the depollution warning light comes on with a ping sound then

Resolved Question:

the depollution warning light comes on with a ping sound then the car cuts out and dies on me in some dangerous places. I have had the car in garage e few times and they cannot find anything wrong. I have paid to have it on diagnostics and they cant find anything wrong filters have been changed but it is still doing it.Can you helpi am so frustrated with it.thanks
Submitted: 3 years ago.
Category: Peugeot
Expert:  Shantal-Mod replied 3 years ago.

Hello,

I've been working hard to find a Professional to assist you with your question, but sometimes finding the right Professional can take a little longer than expected.

I wonder whether you're ok with continuing to wait for an answer. If you are, please let me know and I will continue my search. If not, feel free to let me know and I will cancel this question for you.

Thank you,

Shantal

Expert:  mike_a_mechanic replied 3 years ago.


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

What is the year,make,and model of the vehicle?
Customer: replied 3 years ago.

the year is 09 and the model is Peugeot 407sw diesel. thankyou

Expert:  mike_a_mechanic replied 3 years ago.
From what you are describing this issue is consistent with a failing mass air flow sensor. The mass air flow sensor measures the fuel/air mixture to the engine and this sensor normally doesn't show a fault on the diagnostic test.
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.
mike_a_mechanic and other Peugeot Specialists are ready to help you
Customer: replied 3 years ago.

thankyou for your information how do I rectify the prob lem, is it somrthing the garage should be able to do.

Expert:  mike_a_mechanic replied 3 years ago.
Yes the garage will be able to change out the mass air flow sensor which will fix the issue.
Customer: replied 3 years ago.