OBD Guide

P133E

Cylinder 7 Glow Plug Offset Exceeded Learning Limit

P133E is an OBD-II diagnostic trouble code meaning: Cylinder 7 Glow Plug Offset Exceeded Learning Limit. Common causes: faulty glow plug in cylinder 7, open or short circuit in the glow plug circuit. 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 in cold weather
  • Unstable engine operation after starting
  • Increased exhaust smoke
  • Check Engine Light Illuminates
  • Reduced engine power

Causes

  • Faulty glow plug in cylinder 7
  • Open or short circuit in the glow plug circuit
  • Problems with the glow plug relay
  • Engine control unit malfunction
  • Poor contact in the glow plug circuit connectors

How to Fix

  1. Check the resistance of the glow plug of cylinder 7
  2. Inspect the glow plug power circuit for damage.
  3. Check the operation of the glow plug relay
  4. Scan the ECU for other errors
  5. Replace faulty glow plug if necessary

Related codes

FAQ

What does the P133E code mean?

P133E is an OBD-II diagnostic trouble code that indicates: Cylinder 7 Glow Plug Offset Exceeded Learning Limit

What causes a P133E error code?

The most common causes of P133E include: Faulty glow plug in cylinder 7; Open or short circuit in the glow plug circuit; Problems with the glow plug relay; Engine control unit malfunction.

How do I fix a P133E diagnostic trouble code?

To fix P133E: Check the resistance of the glow plug of cylinder 7. Inspect the glow plug power circuit for damage.. Check the operation of the glow plug relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P133E?

Yes, but get it checked soon

How much does it cost to fix P133E?

The estimated repair cost for P133E is $9–39. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat