1997 Oldsmobile Achieva Code Reading

1997 OLDSMOBILE ACHIEVA
150,000 MILES • 4 CYL • FWD • AUTOMATIC
Avatar
PERDUESRACING
  • MEMBER
  • 1 POST
My check Engine Light came on today and I had the Code Read and it stated Oxygen Sensor on Bank one was running to Lean. That Oxygen sensor is the one next to the Catalitic Converter. My question is do you think the Oxygen sensor it self is at Fault or would it be dumping to much unburned gas out the Exhaust. A week Before the Check Engine light came on the car started a small hestitation when you first went to take off from a light or stop sign but would be fine once you started going. Any Suggestions or help on this. That was the only code it read by the way. Thanx in advance
Feb 13, 2009 at 11:34 AM
Advertisement
Avatar
JDL
  • ✓ASE Certified Mechanic
  • 16,098 POSTS
  • ASE Certified Mechanic
If it's been awhile since a tune-up, I'd start there. With obd11 there should be at least two 02 sensors, one before the cat, the other after.

If you can drive the sensor rich, I don't suspect the sensor.
Feb 13, 2009 at 12:52 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.