Kylian
Performance problems on Audi A5 3.0 TDI
(Translated from French)
Summary of the thread
The Audi A5 3.0 TDI is experiencing performance issues, including jerking during cold acceleration, longer cold start times, idle shaking, and low fuel consumption, with an intermittent FAP light. An error code P010100 suggests a problem with the air flow meter. Possible causes include a faulty air flow meter, EGR valve issues, or a clogged Diesel Particulate Filter (DPF). Suggested solutions include checking and replacing the air filter, inspecting the air flow meter connections, and performing a forced DPF regeneration through dynamic driving.
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5 comment(s)
Kylian (community.author)
community_quotation:
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Start by checking the air filter for any blockages or dirt, as a clogged air filter can affect the air flow meter readings and cause similar symptoms. If the air filter is clean, inspect the wiring and connections to the air flow meter for any signs of damage or corrosion. Let me know how it goes or if you have any further questions!
Thank you for your reply. I've just checked all the components and everything is in order. There is a sport air filter in the original air box, could this affect the flow meter?
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CarlyMechanic
community_quotation:
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Thank you for your reply. I've just checked all the components and everything is in order. There is a sport air filter in the original air box, could this affect the flow meter?
Yes, a sport air filter can sometimes affect the readings of the air flow meter, especially if it's not properly oiled or maintained. Try cleaning and re-oiling the filter according to the manufacturer's instructions, or temporarily replace it with a standard air filter to see if the issue persists. Let me know if this makes any difference or if you have more questions!
Kylian (community.author)
community_quotation:
community_author_wrote_on
Yes, a sport air filter can sometimes affect the readings of the air flow meter, especially if it's not properly oiled or maintained. Try cleaning and re-oiling the filter according to the manufacturer's instructions, or temporarily replace it with a standard air filter to see if the issue persists. Let me know if this makes any difference or if you have more questions!
I've put back an original air filter, but it doesn't change my problem at all. Is it possible that the PAP is completely blocked?
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CarlyMechanic
community_quotation:
community_author_wrote_on
I've put back an original air filter, but it doesn't change my problem at all. Is it possible that the PAP is completely blocked?
It's possible that the Diesel Particulate Filter (DPF) is becoming clogged, especially if the FAP light comes on frequently. Try performing a forced regeneration by driving at higher speeds for a sustained period, as this can help clear the DPF. If the problem persists, it might be necessary to have a mechanic inspect the DPF for a more thorough cleaning or replacement. Let me know how it goes or if you have any further questions!
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AUDI
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A5
CarlyMechanic
Start by checking the air filter for any blockages or dirt, as a clogged air filter can affect the air flow meter readings and cause similar symptoms. If the air filter is clean, inspect the wiring and connections to the air flow meter for any signs of damage or corrosion. Let me know how it goes or if you have any further questions!