Question about 2003 Volkswagen Jetta TDI

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Engine light wont turn off

My engine light wont turn off, and it is throwing a code (P2181). What doews this code mean?

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P2181 is a overheating engine, the engine is probably dieseling because it is badly overheated, dieseling is when the engine keeps running after the key is turned off and makes a knocking type noise, this can be caused by a defective thermostat, low coolant level, blown head gasket and other thing as well. You need to get this looked at before you destroy the engine.

Posted on Oct 28, 2008

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