P1463 Buick A/C Pressure Sensor Insufficient Pressure Change

P1464 Buick Fuel Level Sensor

Possible causes
– Harness or connectors(The sensor circuit is open or shorted)
– Fuel level sensor
What about the obd code?
– A high voltage from the sensor is sent to ECM
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1464 Buick Description

The fuel level sensor is mounted in the fuel level sensor unit. The sensor detects a fuel level in the fuel tank and transmits a signal to the ECM.

It consists of two parts, one is mechanical float and the other side is variable resistor. Fuel level sensor output voltage changes depending on the movement of the fuel mechanical float.

Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera