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What does the code P2181 mean on this car?

Tiny
HWILDE03
  • MEMBER
  • 2004 VOLKSWAGEN JETTA
  • 85,000 MILES
This is a 2.0L engine. The thermostat seems to be working properly it usually runs at 190 when warmed up.
Monday, November 14th, 2011 AT 5:23 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check and test the coolant temperature sensor-
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Monday, November 14th, 2011 AT 5:27 PM
Tiny
F4I_GUY
  • MECHANIC
  • 3,302 POSTS
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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Thursday, November 17th, 2011 AT 11:50 PM

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