Chances are, if you’ve owned a Tiico Conversion for any length of time and the temperature in your area dropped below 25 degrees fahrenheit in the winter, you’ve already needed to upgrade your MAP/Duo Sensor.

Referred to by VW & Bosch as a Duo Sensor, because of its dual function: Manifold absolute pressure and intake air temperature sensor. The original Duo sensor that was provided on the first few years of the Tiico conversion engines (part# 030 906 051 A, 0 261 230 011) was not properly calibrated for the extreme temperature changes in North America. Shortly after this was uncovered a little over 9 years ago, Bosch supplied an updated, properly calibrated sensor (part# 0 261 230 031).

If you experience cold start issues, hesitation, belchy black smoke, MAP sensor fault codes, and have not already updated your original factory MAP sensor, there is a good chance this part will provide the solution.


Made in Germany