- Joined
- May 9, 2021
- Posts
- 849
- Reaction score
- 1,440
- Location
- Montana
- First Name
- Bob
- Truck Year
- 1987
- Truck Model
- V20
- Engine Size
- 350
I just plugged mine at the TBI. It may have something to do with the lean code. My check engine light pops on periodically but goes off by itself & seems kind of random. Have you checked or replaced your O2 sensor?
