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Lab Scope O2 Pattern Interpertation
I wish I had the capability to capture and upload a scope pattern, since I dont I will try to describe it. When scoping the O2 sensor it looks mostly normal except for "hash" marks in the top of the sweep. The hash marks totally clear up at about 2000rpms. The... Login to read more. 
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| Engine | 4.0 L |
| Trans | 4-speed Automatic |
Vehicle Data
1991 Toyota Land Cruiser 4.0L
| Engine | 4.0 L |
| Trans | 4-speed Automatic |
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