P1133 code

Hello,

This codes means there is insufficient switching of the oxygen sensor which means there is either a vacuum leak or and engine misfire or the sensor is bad.

Here are some guides that will help you get the problem fixed.

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

and

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

and

https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

Please run this test and get back to us we are interested to see what it is.

Cheers, Ken