Technical Service Bulletins

VW Turbo Glitch

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VW Turbo Glitch

This bulletin applies to 2010 Volkswagen Eos vehicles equipped with a 2.0 TSI engine, where DTCs P0299, P0234 and/or P0236 are stored.

Check that the roll pin located in the turbocharger exhaust housing hasn’t backed out, allowing the wastegate valve and lever to drop into the housing. The wastegate lever can become seized in the open or closed position, causing either an underboost or overboost condition.

This condition can be intermittent as well, making it difficult to duplicate the fault. Inspect the wastegate lever for approximately 3mm of clearance between the bottom of the lever and the turbocharger housing. If there is no gap, the turbo must be replaced.

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