Your Packard 120 engine control system detects a problem, the computer stores the diagnostic trouble
code P3831 in its memory.
To figure out what is wrong with your vehicle you must first extract the P3831 DTC For Packard 120.
Do you have fresh, clean fuel in the tank? If it's empty, fill it up and go! If it's full, check P3831 Packard 120 that the fuel shut-off valve is open and that it is clean. Stale fuel, dirt and debris are the most common cause of outdoor power equipment not starting properly. If you store equipment with untreated gas in the tank, it can lead to engine damage.
P3831 Packard 120 DTC Meaning
Powertrain Code - Problem is related engine, transmission and emissions systems.
SAE - Generic
Accelerator Pedal Position (APP) Sensor 1 Performance
Low Coolant Circuit
PCM Stack Overrun
The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. P3831 Packard 120 code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired.