Problem Reports » Check Engine Light Due to Vacuum Leaks, Oxygen Sensor, or Catalytic Converter Fault

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Audi TT

 

Report: Check Engine Light Due to Vacuum Leaks, Oxygen Sensor, or Catalytic Converter Fault

Audi TT Problem
11 Reports
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Model Years Affected: 2000, 2001, 2002, 2003, 2004, 2005, 2006

Exhaust & Emissions Affected: 1.8L 4 Cylinder Turbo

Average Mileage: 74,107 mi (34,100 mi - 108,000 mi)

Verified

Vacuum leaks, oxygen sensor failure, and catalytic converter efficiency faults can cause the Check Engine Light to illuminate.

  • Billyboys, 2004 Audi TT, 34,100 mi
     Rookie

    engine lite came on and the headlights went dim...

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  • Visitor, 2002 Audi TT, 94,330 mi

    chick engine light came om ran car over to ato dealer and found banks 2 catas to at faults

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  • Visitor, 2002 Audi TT, 108,000 mi

    CEL on, replaced MAF CEL back on two days later! Common in German cars, same problem with Mercedes SLK 230 Kompressor. Never resolved after multiple repairs.

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  • Visitor, 2004 Audi TT, 60,000 mi

    Chk Engine Light--had faults for catalyst and coolant system performance. Quoted repair $500 for thermostat replacement.

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