OBD Guide
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P1119

Engine Coolant Temperature Signal Out Of Rage

P1119 is an OBD-II diagnostic trouble code meaning: Engine Coolant Temperature Signal Out Of Rage. Common causes: faulty coolant temperature sensor, open or short circuit in wiring. Estimated repair cost: $6–28.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–28 (est.)

Symptoms

  • Incorrect coolant temperature readings on the dashboard
  • Problems starting the engine, especially when cold
  • Increased fuel consumption
  • Unstable engine operation
  • The cooling fan turns on at the wrong time

Causes

  • Faulty coolant temperature sensor
  • Open or short circuit in wiring
  • Poor contact in the sensor connector
  • Problems with the engine ECU
  • Low coolant level

How to Fix

  1. Check coolant level
  2. Inspect the temperature sensor and its connector
  3. Check wiring integrity
  4. Measure sensor resistance at different temperatures
  5. Replace coolant temperature sensor if necessary

Related codes

P0117P0118P0125

Error P1119 by Vehicle Brand

BuickCadillacChevroletChryslerFordGMGMCLincolnMercuryOldsmobileSaturnVolkswagen

FAQ

What does the P1119 code mean?

P1119 is an OBD-II diagnostic trouble code that indicates: Engine Coolant Temperature Signal Out Of Rage

What causes a P1119 error code?

The most common causes of P1119 include: Faulty coolant temperature sensor; Open or short circuit in wiring; Poor contact in the sensor connector; Problems with the engine ECU.

How do I fix a P1119 diagnostic trouble code?

To fix P1119: Check coolant level. Inspect the temperature sensor and its connector. Check wiring integrity. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1119?

Yes, but get it checked soon

How much does it cost to fix P1119?

The estimated repair cost for P1119 is $6–28. Actual cost depends on your vehicle, location, and labor rates.

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