VW Jetta MKIV/MK4: Help a noobie out! P3081 Engine code! |Volkswagen Bora
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Thread: Help a noobie out! P3081 Engine code!

  1. #1

    Default Help a noobie out! P3081 Engine code!

    So im getting the P3081 engine code which is for low engine temperature...
    Although, the car runs normal, and the temp sits at the normal rate.
    I read somewhere that it might be an etc sensor? I ordered the part and it arrives thursday and im gonna try to fix it...
    Do you think thats my problem?

  2. #2
    Local Towel GLI Trevor is on a distinguished road GLI Trevor's Avatar
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    Default Re: Help a noobie out! P3081 Engine code!

    I have a thread on this I got this same code twice 1 month apart, it could be your thermostat has gone bad or is opening to soon in which case you need a new one, also like you said the ECT sensor is a cheap easy fix which you should do anyways if you have the black top one (get the green one), and seeing as how you say the car is running normal and not over heating you can rule out water pump. One thing you can do is grab a buddy have him hold throttle at like 1500 RPM and just see if coolant is flowing, also check your coolant level, coolant leakage, and make sure you used correct coolant type.

    Hope this helped =D Welcome to the forum.
    Quote Originally Posted by vwguymi View Post
    Pretty soon all mk4's will be GLI's

  3. #3

    Default Re: Help a noobie out! P3081 Engine code!

    Well i just bought the car so im not too sure what kind of coolant is in it...although im assuming its the correct type. I just got my mom to hold down the throttle for me and the coolant was flowing fine...Ill fix the sensor and clear the code and see if it comes on again.
    Is the thermostat an easy do it yourself job?

  4. #4
    Local Towel GLI Trevor is on a distinguished road GLI Trevor's Avatar
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    Default Re: Help a noobie out! P3081 Engine code!

    Ok thats good that coolant is flowing, did you make sure you had the correct amount of coolant? I didn't fix the thermostat myself because I was an idiot but they only charged me an hours worth of labor so I can only assume it isn't too bad.
    Quote Originally Posted by vwguymi View Post
    Pretty soon all mk4's will be GLI's

  5. #5

    Default Re: Help a noobie out! P3081 Engine code!

    Ya the corrrect amount of fluid is in there...up too the line.
    Should it be a red color? Maybe ill flush it out and put new stuff in aswell

  6. #6
    Junior Member Pablow is on a distinguished road Pablow's Avatar
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    Default Re: Help a noobie out! P3081 Engine code!

    The coolant you're describing sounds like g12, which would be right, it looks like a very bright pink, almost red. If it were green then you'd have problems.... but yeah the ECT or CTS (coolant temp. sensor as it's often called) seems to be the culprit here, I think that's the same code I had not too long ago, atleast I remember the "temp too low" part

  7. #7

    Default Re: Help a noobie out! P3081 Engine code!

    I have this code also, What is the ECT what does it stand for? And CTS?

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