Question about 2003 Volkswagen Jetta TDI

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Trouble Code check eng light come on so I plugged code reader in and got P2181 but I cannot find a specific problem related to code. I have searched and found a lot of possibles but not one definite answer. Any help at would help. Thanks Kevin

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Hi Kevin,
There probably isn't a single answer every time. I found this for you on my hard drive...

"18613/P2181/008577 - Performance Malfunction in Cooling System
Possible Solutions
* Check Engine Coolant Temperature Sender (G62)
* Check Coolant Thermostat
* Check Engine Cooling System
o Put the key on, fan speed on 1, and push the a/c switch. Are both fans kicking on? If not, you found the problem.
o Put the key on and fan speed on 1. Does heat come out readily from the vents?
+ No. Probably the water pump is gone.
+ Yes. Probably the thermostat is gone."

Check the electrical connector on the G62 first - make sure it is clean. Try running the engine with the G62 disconnected - does this make a difference?

Let me know how you get on. Cheers, D.

Posted on Jul 18, 2008

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In regards to the problem I checked the plug for the ect all is well replaced the ect and as of yet no check eng light. Thanks for the offer but still checking.
Kevin

Posted on Jul 20, 2008

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