what is obd code 1138

Question

I get o obd code reading of 1138, what is that

Answer 1

HI there

This code means the bank 1 sensor 2 is showing a rich condition. This could be the result of a bad O2 sensor or if the engine is running rough or needs a tune up it might appear. It also can mean the catalytic converter is not cleaning the exhaust as it should.

P1138 PONTIAC - HO2S Bank 1 Sensor 2 Rich or High Voltage

Read more: https://www.autocodes.com/p1138_pontiac.html