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2003 Audi TT Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Audi TT

2003 Audi TT Problems

Erratic turn signal operation can be a result of a failing turn signal flasher relay which will require replacement.

A creaking type noise may be noted from the front suspension. Replacement of the  front sway bar may be required to correct this issue.

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

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2003 Audi TT Questions

my TT is a really beautiful example of the 2 wheel drive 1.8 turbo model - it is going really well without any sign that the engine management system has put the car into safe mode (lower power etc)but this warning light is worrying me - it has been left without battery power for 8 weeks until 3 ...

Does it have to be welded or do I have to replace that whole first section? It appears that it connects the manifold to the rest of the exhaust and just that one small section is the problem the rest of the exhaust system seems to be in good condition.

when first start in the morning to reverse, car has very rough idle and no brake vacumm. also have lost throttle acceleration when driving

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