Chevrolet Astro Oxygen Sensor Location

Browse Chevrolet Astro Oxygen Sensor Location questions and answers. Choose a question that matches your symptoms.

2 discussions

Code PO155, Oxygen Sensor Location Needed

2003 CHEVROLET ASTRO

Scanner Read Out Po155 02 Heater Circuit (bank 2, Sensor 1). Can You Let Me Know Where That Is Located And Is There Only 1? 1 Bad Rest Good...

12 ANSWERS

5 IMAGES

Asked by dequeso

1994 CHEVROLET ASTRO

Running Rich, Horrible Mpg, Lack Of Engine Power, Fouling Out Plugs On The Right Side, Black Smoke Bad Exhaust Smell. Where Are The 2 O2...

1 ANSWER

3 IMAGES

Asked by audiefaith

Browse by repair topic

Can’t find your issue?