OBD Guide

P041B

EGR Temperature Sensor B Circuit Range/Performance

P041B is an OBD-II diagnostic trouble code meaning: EGR Temperature Sensor B Circuit Range/Performance. Common causes: egr temperature sensor (b) malfunction, open or short circuit in the sensor wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable engine operation at idle
  • Reduced engine power
  • Increased fuel consumption
  • Check Engine light comes on

Causes

  • EGR Temperature Sensor (B) Malfunction
  • Open or short circuit in the sensor wiring harness
  • Poor contact in the sensor connector
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the integrity of the EGR temperature sensor wiring harness (B)
  2. Check the contacts in the sensor connector for oxidation or damage.
  3. Check the resistance of the EGR temperature sensor (B) according to the manufacturer's specifications
  4. Replace EGR temperature sensor (B) if necessary
  5. Clear the error using an OBD-II scanner and check if it returns

Related codes

Error P041B by Vehicle Brand

FAQ

What does the P041B code mean?

P041B is an OBD-II diagnostic trouble code that indicates: EGR Temperature Sensor B Circuit Range/Performance

What causes a P041B error code?

The most common causes of P041B include: EGR Temperature Sensor (B) Malfunction; Open or short circuit in the sensor wiring harness; Poor contact in the sensor connector; Engine control unit (ECU) malfunction.

How do I fix a P041B diagnostic trouble code?

To fix P041B: Check the integrity of the EGR temperature sensor wiring harness (B). Check the contacts in the sensor connector for oxidation or damage.. Check the resistance of the EGR temperature sensor (B) according to the manufacturer's specifications. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P041B?

Limited driving only, diagnose soon

How much does it cost to fix P041B?

The estimated repair cost for P041B is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat