OBD Guide

P133D

Cylinder 6 Glow Plug Offset Exceeded Learning Limit

P133D is an OBD-II diagnostic trouble code meaning: Cylinder 6 Glow Plug Offset Exceeded Learning Limit. Common causes: faulty glow plug in cylinder 6, problems with glow plug wiring or connectors. Estimated repair cost: $6–33.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–33 (est.)

Symptoms

  • Difficulty starting the engine in cold weather
  • Increased engine vibration at idle
  • Check Engine light comes on
  • Extended warm-up time
  • Reduced engine power

Causes

  • Faulty glow plug in cylinder 6
  • Problems with glow plug wiring or connectors
  • Faulty glow plug relay
  • Problems with the engine control unit (ECU)
  • Short circuit or open circuit in the glow plug circuit

How to Fix

  1. Check the condition of the glow plug in cylinder 6
  2. Check the integrity of the glow plug wiring and connectors
  3. Check the functionality of the glow plug relay
  4. Check the voltage at the glow plug
  5. If necessary, replace the glow plug or other faulty components.

Related codes

FAQ

What does the P133D code mean?

P133D is an OBD-II diagnostic trouble code that indicates: Cylinder 6 Glow Plug Offset Exceeded Learning Limit

What causes a P133D error code?

The most common causes of P133D include: Faulty glow plug in cylinder 6; Problems with glow plug wiring or connectors; Faulty glow plug relay; Problems with the engine control unit (ECU).

How do I fix a P133D diagnostic trouble code?

To fix P133D: Check the condition of the glow plug in cylinder 6. Check the integrity of the glow plug wiring and connectors. Check the functionality of the glow plug relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P133D?

Yes, but get it checked soon

How much does it cost to fix P133D?

The estimated repair cost for P133D is $6–33. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat