Back to 1998 Subaru Legacy

1998 SUBARU LEGACY

2.2L H4AWDCVTgas
5 active safety recalls on this vehicle — view recalls
Repairs0Labor504Torque4954Fluid9DTC640Battery0Maintenance0Recalls5
P0124high severityPowertrain

Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

on 1998 Subaru Legacy 2.2L H4 · AWD

What this code means

The TPS signal is intermittent.

Symptoms

  • Check Engine Light (intermittent)
  • Surging
  • Hesitation
  • Erratic idle

Common causes

  • Loose TPS connector
  • Worn TPS
  • Wiring chafing

Diagnostic steps

  1. Wiggle test on TPS connector
  2. Monitor TPS signal for dropouts
  3. Inspect wiring

Repair notes

Repair connector or replace TPS.

Other Powertrain codes on this vehicle

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