Question about 2003 Audi A4 Cabriolet

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A4 1.8 02 plate - fault code p01297 - runnung poor

I have an Audi A4 1.8 on 02 plate and fault code p01297 is stored. Cars not running properly.We've changed coil packs, dipstick and fuel pressure valve but faults still there. can you help?

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Code P1297(Connection turbocharger - throttle valve pressure hose) is related to air delivery to the engine. Unfortunately there is many components that could caused this code. For 1.8 engine the most common places to look for:
Check for damaged vacuum lines, next check over-bust valve(located in the intake hose) if holding vacuum, than I would check intake hose itself for damage or leaks. Some times broken throttle body can cause that fault (idle fluctuation). Lastly if car lack of power- damaged turbocharger can cause insufficient intake pressure.

Posted on May 21, 2009


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Posted on Jan 02, 2017


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