Code result

P2473

Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 3

Moderate severity

What it means

The voltage of EGT sensor 3 on bank 1 is above the calibrated maximum. Often a sign of an open sensor circuit or a short to supply voltage.

Is it safe to drive?

Use caution

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

  • Open sensor circuit

    high

    One of the most commonly reported causes for this code — check this first.

  • Signal shorted to supply

    medium

    A plausible cause — test and verify before replacing parts.

  • Connector pins corroded - high contact resistance

    low

    Less common, but worth ruling out after the more likely causes.

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