O2 Sensor - Bank 1 Upstream
1972 Dodge Challenger · 340ci V8
Sensor Type
not-applicable
Waveform Type
not-applicable
Location
Not equipped - 1972 Dodge Challenger predates catalytic converter and oxygen sensor requirements (introduced in 1975-1976 model years)
Pins
Unknown
Timebase
N/A
Voltage Scale
N/A
Trigger
N/A
Wiring
N/A - No emissions feedback control system on this vehicle
Expected Voltage Range
At Idle
0V to 0V
At Higher RPM
0V to 0V
Expected Pattern
N/A - Open-loop carburetor fuel system with no oxygen sensing
Known-Good Waveform
This vehicle has no oxygen sensors or catalytic converters as it predates Federal emissions regulations requiring closed-loop fuel control. Air-fuel mixture is controlled solely by carburetor jetting and adjustments. Exhaust system consists of manifolds, H-pipe or X-pipe, and mufflers only.
Common Failure Patterns
N/A for this application
Cause: Sensor not present on this vehicle
Diagnostic Tips
For mixture diagnosis, use exhaust gas analyzer or read spark plugs for color. Lean condition shows white/gray plugs; rich shows black sooty deposits. Vacuum gauge provides excellent carburetor tuning feedback.
Related Diagnostic Trouble Codes
P0130P0131P0132P0133P0134
Always confirm waveform data with your vehicle's OEM service manual before diagnosing.
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