Throttle Position Sensor
1972 Dodge Challenger · 400ci V8
Sensor Type
not-applicable
Waveform Type
not-applicable
Location
Not equipped - 1972 Dodge Challenger uses mechanical carburetor linkage
Pins
Unknown
Timebase
N/A
Voltage Scale
N/A
Trigger
N/A
Wiring
N/A - Mechanical throttle control system
Expected Voltage Range
At Idle
0V to 0V
At Higher RPM
0V to 0V
Expected Pattern
Not applicable - mechanical throttle system with no electronic feedback
Known-Good Waveform
The 1972 Challenger 400ci uses either a Carter AVS or Holley carburetor with fully mechanical throttle linkage and no electronic position sensing. Throttle position is controlled purely by cable and return springs.
Common Failure Patterns
No sensor present on this vehicle
Cause: Carbureted engine without electronic throttle control
Diagnostic Tips
Check throttle cable for binding, worn carburetor throttle shafts for vacuum leaks, and proper accelerator pump function. Idle speed is adjusted mechanically via idle speed screw on carburetor.
Related Diagnostic Trouble Codes
P0120P0121P0122P0123P0124
Always confirm waveform data with your vehicle's OEM service manual before diagnosing.
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