P133B
Cylinder 4 Glow Plug Offset Exceeded Learning Limit
P133B is an OBD-II diagnostic trouble code meaning: Cylinder 4 Glow Plug Offset Exceeded Learning Limit. Common causes: malfunction of glow plug 4 cylinders, open or short circuit in the glow plug circuit. Estimated repair cost: $9–39.
Symptoms
- Difficulty starting the engine in cold weather
- Unstable engine operation at idle
- Increased engine vibration
- Increased fuel consumption
- Check Engine Light Illuminates
Causes
- Malfunction of glow plug 4 cylinders
- Open or short circuit in the glow plug circuit
- Poor contact in the glow plug connector
- Faulty glow plug relay
- Problems with the engine control unit
How to Fix
- Check the resistance of the glow plug cylinder 4
- Inspect the glow plug power circuit for damage.
- Check the contacts in the glow plug connector
- Test the glow plug relay
- If necessary, replace the glow plug
Related codes
FAQ
What does the P133B code mean?
P133B is an OBD-II diagnostic trouble code that indicates: Cylinder 4 Glow Plug Offset Exceeded Learning Limit
What causes a P133B error code?
The most common causes of P133B include: Malfunction of glow plug 4 cylinders; Open or short circuit in the glow plug circuit; Poor contact in the glow plug connector; Faulty glow plug relay.
How do I fix a P133B diagnostic trouble code?
To fix P133B: Check the resistance of the glow plug cylinder 4. Inspect the glow plug power circuit for damage.. Check the contacts in the glow plug connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P133B?
Yes, but get it checked soon
How much does it cost to fix P133B?
The estimated repair cost for P133B is $9–39. Actual cost depends on your vehicle, location, and labor rates.
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