Code result

P2471

Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 3

Moderate severity

What it means

EGT sensor 3 on bank 1 reports values that are not plausible for current operating conditions. Either drift or wiring resistance changes the signal away from the expected value.

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

  • EGT sensor drift

    high

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

  • Increased wiring resistance

    medium

    A plausible cause — test and verify before replacing parts.

  • Sensor element aged beyond calibration window

    low

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

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