OBD-II code · Powertrain (generic)

P0464 Fuel Level Sensor A Circuit Intermittent

Fuel-level sensor A signal jumps or drops out intermittently. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.

Is it safe to drive with P0464?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyCorroded sender contact
  • Less likelyConnector with intermittent contact under vibration
  • Less likelyHarness routed against vibrating component

Repair at a glance

Difficulty
Medium
DIY friendly
Often, with basic tools
Typical labour
0.7–3 h
Emissions test
Usually unaffected
Parts involved
Fuel Level Sensor

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.