Back to 1996 Mazda B3000

1996 MAZDA B3000

3.0L V6FWDAUTOMATICgas
Repairs0Labor469Torque3639Fluid6DTC633Battery0Maintenance0Recalls0
P0177low severityPowertrain

Fuel Composition Sensor Circuit Range/Performance

on 1996 Mazda B3000 3.0L V6 · FWD

What this code means

The fuel composition sensor reading is outside expected range.

Symptoms

  • Check Engine Light
  • Incorrect fueling

Common causes

  • Contaminated sensor
  • Sensor calibration issue
  • Mixed fuel types

Diagnostic steps

  1. Compare sensor reading to known fuel type
  2. Test sensor output range

Repair notes

Replace sensor.

Other Powertrain codes on this vehicle

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