OBD Guide

P113B

Exhaust Gas Temperature Sensor 1 Not Plausible

P113B is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Sensor 1 Not Plausible. Common causes: exhaust gas temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine operation at idle
  • In some cases - enabling emergency engine operation

Causes

  • Exhaust gas temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors and contacts for corrosion or damage
  3. Check sensor resistance according to manufacturer specifications
  4. If necessary, replace the exhaust gas temperature sensor
  5. Reset the fault code and check if it appears again

Related codes

FAQ

What does the P113B code mean?

P113B is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Sensor 1 Not Plausible

What causes a P113B error code?

The most common causes of P113B include: Exhaust gas temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P113B diagnostic trouble code?

To fix P113B: Check the integrity of the sensor circuit. Inspect connectors and contacts for corrosion or damage. Check sensor resistance according to manufacturer specifications. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P113B?

Yes, but get it checked soon

How much does it cost to fix P113B?

The estimated repair cost for P113B is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat