And get the number. The shorthand version The counter guy gives is worthless.
You need to start with the actual code number. I can think of at least a dozen oxygen sensor related numbers that have different diagnostic processes. This^^^. It could be rich, lean, slow to change, heater circuit, etc. The code didn't just say O2 sensor, it said something about that sensor as well.
"Follow me the wise man said, but he walked behind"
'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost conversion.
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
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