2008 Volkswagen GTI Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2008 Volkswagen GTI

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2008 Volkswagen GTI Problems

Decreased Power and Fuel Economy from Carbon Buildup

The 2006-2016 GTI uses FSI and TSI direct injection engines. These engines are subject to carbon buildup in the intake system which can cause power loss, OBD codes and a check engine light, and a rough idle. In normal engines, the engine is cleaned by the gasoline flowing through the injectors and into the intake system, however, since the GTI uses direct injection, gasoline does not flow through common carbon buildup areas. 

Possible trouble codes include: P0300P0301P0302P0303P0304.

The solution is to remove the intake manifold and professionally clean the intake manifold, intake ports on the cylinder head, and the intake valves. This may need to be done in as few as 20,000 miles. 

Loss of Power Due to Torn Rubber Valve

The 2006-2008 Volkswagen GTI with the 2.0L Turbo FSI engine looses power if the turbocharging system has a leak. The most common turbo boost leak is a torn rubber diaphragm on the diverter valve, which is intended to open only if pressure gets too high. Common symptoms are increased turbo noise when letting off of the gas pedal, and power loss.

If there is a turbocharging system leak, the system will need to be inspected, and the defective seals and/or valve will require replacement. 

Rattling From the Transmission When Engine is Cold

The flywheel for the 2006-2008 Volkswagen GTI is a non-conventional "Dual Mass" flywheel. It is known to make light rattling noise when the engine is cold. If the rattle doesn't go away when the engine warms, the flywheel may have failed.

If the dual mass flywheel has failed, the only solution is to replace the flywheel.

dual mass flywheel

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2008 Volkswagen GTI Recalls

Volkswagen Recalls Certain 2006–2010 Models Due to a Possible Fuel Leak

Volkswagen is recalling certain 2007–2009 Jetta, Jetta Sportwagon, Golf, and Rabbit, as well as 2006–2010 Beetle and Beetle Convertible vehicles equipped with a 2.5L gasoline engine due to a possibly damaged fuel supply line. Under hood fasteners may chafe against the fuel supply line, resulting in a fuel leak. Fuel leakage, in the presence of an ignition source, could result in a fire. Dealers will perform vehicle-appropriate inspections and repairs in order to protect the fuel supply line from chafing damage.

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2008 Volkswagen GTI Reviews

I recently purchased a 2008 GTI and could not be any happier with its performance. Decent fuel effeciency is not sacrificed by having a turbocharged engine. I can get where I need to go both quickly and economically. Of course, it is also a good-looking car, with many standard features lacking on comparable vehicles. Anyone who wants a smooth, sexy ride that is fast and fun, yet still quite uti...
My husband bought this car because everyone ranked it as a best buy...but we have been really disappointed with this car. From poor VW dealership/parts shops. To the VW policy that they are okay with the GTI burning a quart of oil every 1000 miles!? VW has also been delaying the release of a new diagonostic reader to tell if the engine is running properly. (We've been asking our local dealershi...
I love it! Everything is perfect from the back windshield wiper going on when it detects water when you back up to everything! lol

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