OBD Guide

P133A

Cylinder 3 Glow Plug Offset Exceeded Learning Limit

P133A is an OBD-II diagnostic trouble code meaning: Cylinder 3 Glow Plug Offset Exceeded Learning Limit. Common causes: faulty glow plug in cylinder 3, problems with the wiring to the glow plug. Estimated repair cost: $9–39.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$9–39 (est.)

Symptoms

  • Difficulty starting the engine, especially in winter
  • Unstable engine operation at idle
  • Increased exhaust smoke
  • Loss of engine power
  • Check Engine Light Is On

Causes

  • Faulty glow plug in cylinder 3
  • Problems with the wiring to the glow plug
  • Faulty glow plug relay
  • Short circuit or open circuit in control circuit
  • Problems with the engine control unit

How to Fix

  1. Check the condition of the glow plug in cylinder 3
  2. Check the glow plug power and control circuit
  3. Check the functionality of the glow plug relay
  4. Check battery terminals and engine ground
  5. Scan the ECU memory for other errors

Related codes

FAQ

What does the P133A code mean?

P133A is an OBD-II diagnostic trouble code that indicates: Cylinder 3 Glow Plug Offset Exceeded Learning Limit

What causes a P133A error code?

The most common causes of P133A include: Faulty glow plug in cylinder 3; Problems with the wiring to the glow plug; Faulty glow plug relay; Short circuit or open circuit in control circuit.

How do I fix a P133A diagnostic trouble code?

To fix P133A: Check the condition of the glow plug in cylinder 3. Check the glow plug power and control circuit. Check the functionality of the glow plug relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P133A?

Yes, but get it checked soon

How much does it cost to fix P133A?

The estimated repair cost for P133A is $9–39. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat