DTC P0462: Fuel Gauge Sending Unit Circuit, Low Input: Condition
WARNING: This page is about a different car, the 2002 Mazda Protege5 and 2002 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set when fuel gauge sending unit voltage is less than .08 volt for 5 seconds. This is a continuous monitor. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Possible causes are:
- Fuel gauge sending unit malfunction.
- Short in wiring.
- PCM malfunction.