OBD Guide

P118E

Exhaust Gas Temperature Sensor 1 Performance Engine Running

P118E is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Sensor 1 Performance Engine Running. 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 Is On
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine operation at idle
  • Problems with the exhaust gas recirculation system

Causes

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

How to Fix

  1. Check the integrity and resistance of the EGT sensor
  2. Inspect the electrical circuit of the sensor for damage
  3. Check the contacts in the sensor connector
  4. Scan the control unit for other errors
  5. Replace exhaust gas temperature sensor if necessary

Related codes

FAQ

What does the P118E code mean?

P118E is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Sensor 1 Performance Engine Running

What causes a P118E error code?

The most common causes of P118E 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 P118E diagnostic trouble code?

To fix P118E: Check the integrity and resistance of the EGT sensor. Inspect the electrical circuit of the sensor for damage. Check the contacts in the sensor connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P118E?

Yes, but get it checked soon

How much does it cost to fix P118E?

The estimated repair cost for P118E is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat