P0138 code, O2 Sensor
Well, the o2's on my ranger kept the engine to lean and ate all the plugs. On the 97's the 4 bangers had two plugs per cyl.
After the o2's got changed then the problem was solved.
On the bright side i saved alot of gas
After the o2's got changed then the problem was solved.
On the bright side i saved alot of gas



