My car loses power when I accelerate. I have noticed this when entering the motorway on a slight downhill on the slip road. I have run a diagnostic test with a code reader and nothing appears?

Asked by Aug 03, 2016 at 03:26 AM about the 2011 Volkswagen Golf

Question type: Maintenance & Repair

My car loses power when I accelerate. I have noticed this when entering the
motorway on a slight downhill on the slip road. I have run a diagnostic test
with a code reader and nothing appears? It doesn't lose power fully, but
enough to make me immediately slow down. Any ideas what this could be?

1 Answer

8,575

try checking for vacuum leaks. This could also be a throttle body issue. I had a 2012 jetta recently and the throttle plate came loose inside the housing. it never threw a code till finally the computer attached to it couldn't get the right metered amount of air. if you hear a rattle while giving it gas this could be the issue.

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