2005 audi a4 1.8t

20

Asked by Feb 17, 2016 at 09:36 PM about the 2005 Audi A4 1.8T Special Edition

Question type: Maintenance & Repair

Car sputters changed mass airflow sensor and new spark
plugs codes we reading cylinder 123 and 4 and car still
sputters but doesn't turn off needs a new turbo hopefully
that works if not possibly fuel pump but I need an oem or a
bosch brand fuel pump .

4 Answers

5,865

What are the DTC's you are getting when reading the pcm?

2 of 2 people found this helpful.
10,525

try checking all the crank case hoses. Half the time a idle issue can be a busted vacum line or split or cloged pvc pipe for the crank case breathers.

20

I had a new mass air flow sensor put in spark plugs were changed and putting in a new turbo because I had exhaust leak and there was a cracked in the turbo which is where it was coming from hoping the turbo will stop the sputtering

10,525

i have a seen quite a few cars with a bad turbo causing issues like not starting. Its not a fun or cheap job but i would expect a new one should fix the issue. With a crack in the turbo it causes a bad air flow which disrupts the speed and such so fingers crossed on this one.

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