Intake Air Temperature Sensor
1972 Dodge Challenger · 400ci V8
Sensor Type
thermistor
Waveform Type
dc-variable
Location
Not factory equipped - 1972 Challenger 400ci uses carburetor with no IAT sensor
Pins
Unknown
Timebase
N/A
Voltage Scale
N/A
Trigger
N/A
Wiring
N/A - this vehicle predates electronic fuel injection
Expected Voltage Range
At Idle
0V to 0V
At Higher RPM
0V to 0V
Expected Pattern
Not applicable to this carburetor-equipped vehicle
Known-Good Waveform
The 1972 Dodge Challenger 400ci V8 was equipped with either a Carter AVS or Holley carburetor and conventional points ignition or basic electronic ignition. No intake air temperature sensor was used as the carburetor provides mechanical air/fuel metering without electronic control.
Common Failure Patterns
Not applicable
Cause: Component not present on this vehicle
Diagnostic Tips
This vehicle uses carburetor-based fuel delivery. Air temperature compensation is handled through automatic choke thermostatic spring and manual choke controls, not electronic sensors.
Related Diagnostic Trouble Codes
P0110P0111P0112P0113P0114
Always confirm waveform data with your vehicle's OEM service manual before diagnosing.
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