We are getting a P1127 check engine light code on a 2001 VW Cabrio

Question

We have changed the air filter and the O2 sensor and we're not sure what to try next, the light was off after changing the sensor for over a week.

Answer 1

Hi there,

Here is a list of possible causes for this code.

P1127 VOLKSWAGEN - Long Term Fuel Trim B1 System Too Rich

Read more: https://www.autocodes.com/p1127_volkswagen.html