Having problems with your 2005 Audi A4 ?

Having problems with the car running rough at low idle. I have a 2005 Audi a4. I have changed coils, plugs and the crank case breather tube because it was leaking. The car still running rough. When i remove the air pressure reducer and cover the hose with a flat plate the car seems to run fine. Does this mean the reducing valve is gone or something down stream in the MAF?

Posted / edited by AnonymousUser on : 23-07-2018

Answers :

First replace the reducing valve and check driving the car , If it works fine then the problem is fixed if not then i am sure its the MAF sensor.\015\012
\015\012Please do check the car and inform me.\015\012
\015\012If satisfied with the car please do rate and accept the solution. \015\012
\015\012If any more queries or clarification , Please feel free to contact me again.
Repair Help & Product Troubleshooting for 2005 Audi A4

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