OBD Guide

P01E7

Engine Coolant Temperature Sensor 3 Circuit Intermittent/Erratic

P01E7 is an OBD-II diagnostic trouble code meaning: Engine Coolant Temperature Sensor 3 Circuit Intermittent/Erratic. Common causes: damage to the sensor wiring harness, poor contact in the sensor connector. Estimated repair cost: $22–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • Unstable temperature readings on the dashboard
  • Engine overheating
  • Increased fuel consumption
  • Unstable engine idling

Causes

  • Damage to the sensor wiring harness
  • Poor contact in the sensor connector
  • Malfunction of coolant temperature sensor No. 3
  • Problems with the ECU

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Clean the contacts in the sensor connector
  3. Replace coolant temperature sensor No. 3 if necessary
  4. Check the operation of the computer

Related codes

Error P01E7 by Vehicle Brand

FAQ

What does the P01E7 code mean?

P01E7 is an OBD-II diagnostic trouble code that indicates: Engine Coolant Temperature Sensor 3 Circuit Intermittent/Erratic

What causes a P01E7 error code?

The most common causes of P01E7 include: Damage to the sensor wiring harness; Poor contact in the sensor connector; Malfunction of coolant temperature sensor No. 3; Problems with the ECU.

How do I fix a P01E7 diagnostic trouble code?

To fix P01E7: Check the integrity of the sensor wiring harness. Clean the contacts in the sensor connector. Replace coolant temperature sensor No. 3 if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P01E7?

Limited driving only, diagnose soon

How much does it cost to fix P01E7?

The estimated repair cost for P01E7 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat