WHAT DOES THE CODE P2181 MEAN ON THIS CAR?

2004 Volkswagen Jetta

Tiny

hwilde03

November, 14, 2011 AT 5:23 PM

This is a 2.0L engine. The thermostat seems to be working properly it usually runs at 190 when warmed up.

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2 Answers

Tiny

rasmataz

November, 14, 2011 AT 5:27 PM

Check and test the coolant temperature sensor-

Tiny

F4I_guy

November, 17, 2011 AT 11:50 PM

Replace the ECT and thermostat as a combination. This is very very common. Go to VW and request a new ECT. They will hand you a new sensor that has a GREEN top. If it isn't green, ask for the new superseeded ECT that is green. The one installed on your car is all black, VW has re-designed their ECT's because they are prone to failure.

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