Fuel Injector
1972 Dodge Challenger · 225ci I6
Sensor Type
inductive
Waveform Type
dc-square
Location
Not applicable - carbureted system
Pins
Unknown
Timebase
N/A
Voltage Scale
N/A
Trigger
N/A
Wiring
Not applicable
Expected Voltage Range
At Idle
0V to 0V
At Higher RPM
0V to 0V
Expected Pattern
Not applicable - 1972 Dodge Challenger 225ci uses Carter BBD or Holley 1920 single-barrel carburetor
Known-Good Waveform
This vehicle is equipped with a mechanical carburetor fuel delivery system and does not have electronic fuel injection. The 225 slant-six in 1972 used either a Carter BBD 2-barrel or Holley 1920 1-barrel carburetor with mechanical fuel pump.
Diagnostic Tips
For fuel delivery diagnostics on this carburetor system, check mechanical fuel pump pressure (3.5-5 PSI), float level, accelerator pump function, and choke operation with visual inspection rather than oscilloscope analysis.
Related Diagnostic Trouble Codes
P0200P0201P0202P0203P0204
Always confirm waveform data with your vehicle's OEM service manual before diagnosing.
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