Fuel Injector
1972 Dodge Challenger · 440ci V8 Six Pack
Sensor Type
not-applicable
Waveform Type
not-applicable
Location
Not applicable - 1972 Challenger 440 Six Pack uses three Holley 2-barrel carburetors (center progressive, outboard vacuum-actuated)
Pins
Unknown
Timebase
N/A
Voltage Scale
N/A
Trigger
N/A
Wiring
Not applicable - mechanical carburetor system
Expected Voltage Range
At Idle
0V to 0V
At Higher RPM
0V to 0V
Expected Pattern
Not applicable - no fuel injection on this vehicle
Known-Good Waveform
This vehicle uses a mechanical carburetor system with three Holley 2-barrel carburetors. The center carburetor operates at all times, while the outboard carburetors activate progressively via vacuum actuators above approximately 2800 RPM. No electronic fuel injection components are present.
Common Failure Patterns
Not applicable
Cause: Not applicable
Diagnostic Tips
Check outboard carburetor vacuum actuators and linkage for proper progressive operation. Float levels and accelerator pump function are critical on this setup.
Related Diagnostic Trouble Codes
P0200P0201P0202P0203P0204
Always confirm waveform data with your vehicle's OEM service manual before diagnosing.
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