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2003 ASTON MARTIN DB7

3.2L I6 SuperchargedRWDAUTOMATICgassupercharged
1 active safety recall on this vehicle — view recalls
Repairs0Labor504Torque3913Fluid7DTC688Battery0Maintenance0Recalls1
P0177low severityPowertrain

Fuel Composition Sensor Circuit Range/Performance

on 2003 Aston Martin DB7 3.2L I6 Supercharged · RWD

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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