Make Toyota Model 4A - EF
Signal Name O2 Sensor
Volt/division/range 0.5 V
Time/division/range 25 ms
Draw the pattern below:
(Use arrow at different points, and describe what happens there)
Arrow B = When the engine run reach
Arrow C = When the engine is lean
Arrow D = Peak - maximum richness before gets lean
Arrow E = Peak - maximum lean before the engine start to get rich
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