P133D Code - Cylinder 6 Glow Plug Offset Exceeded Learning Limit
Quick Answer
The diagnostic trouble code P133D indicates that the glow plug in cylinder 6 of the vehicle has exceeded the learning limit for its offset. Common causes include Faulty glow plug in cylinder 6, Wiring issues or poor electrical connection, ECM software malfunction. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P133D indicates Cylinder 6 Glow Plug Offset Exceeded Learning Limit.
- Common causes
- Common causes include Faulty glow plug in cylinder 6, Wiring issues or poor electrical connection, ECM software malfunction.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P133D Description
The diagnostic trouble code P133D indicates that the glow plug in cylinder 6 of the vehicle has exceeded the learning limit for its offset. Glow plugs are essential components in diesel engines that help with cold starts by heating up the combustion chamber. When the glow plug offset exceeds the learning limit, it means that the engine control module (ECM) is unable to properly adjust the glow plug's timing and duration, which can lead to performance issues.
Common Causes of P133D
- Faulty glow plug in cylinder 6
- Wiring issues or poor electrical connection
- ECM software malfunction
- Engine coolant temperature sensor malfunction
- Fuel quality issues or injector problems
Symptoms of P133D
- Hard starting, especially in cold weather
- Decreased fuel efficiency
- Rough idling or engine vibration
- Engine misfires
- Illumination of the check engine light
How to Fix P133D
- Diagnose the glow plug in cylinder 6 and test its functionality.
- Inspect the wiring and connections related to the glow plug for any damage or corrosion.
- Check the ECM for any software updates or malfunctions.
- Test the engine coolant temperature sensor for proper operation.
- Address any fuel quality issues or injector problems that may be contributing to the code.
Cost to Fix P133D
The cost to repair a P133D diagnostic trouble code can vary depending on the specific issue causing the problem. Typically, the cost of replacing a glow plug can range from $50 to $150 per plug, with labor costs averaging around $100 to $150 per hour. Additional costs may apply if wiring or other components need to be replaced. It's recommended to consult with a professional mechanic for an accurate estimate based on the make and model of your vehicle.
Tech Notes for P133D
Need more information about the P133D code?
Need more information on how to fix the P133D code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P133D code diagnosed by a professional: Find a repair shop in your area
Code P133D Information for Specific Makes
- P133D Buick — Cylinder 6 Glow Plug Offset Exceeded Learning Limit
- P133D Cadillac — Cylinder 6 Glow Plug Offset Exceeded Learning Limit
- P133D Chevrolet — Cylinder 6 Glow Plug Offset Exceeded Learning Limit
- P133D GMC — Cylinder 6 Glow Plug Offset Exceeded Learning Limit
Frequently Asked Questions about P133D Code
1. What are the common symptoms of OBDII code P133D (Cylinder 6 Glow Plug Offset Exceeded Learning Limit)?
- Common symptoms include rough idling, reduced engine performance, and possibly the illumination of the Check Engine Light.
2. What can cause the OBDII code P133D to trigger?
- The code P133D is typically triggered when the ECM detects that the offset for the glow plug in cylinder 6 has exceeded the learning limit.
3. How serious is the OBDII code P133D?
- While the code itself may not cause immediate engine failure, it is important to address it promptly to prevent potential damage to the engine over time.
4. Can a faulty glow plug be the cause of OBDII code P133D?
- Yes, a faulty glow plug in cylinder 6 can lead to the triggering of the code P133D. It is recommended to check the glow plug's condition during diagnosis.
5. How can I diagnose and repair OBDII code P133D?
- Diagnosis typically involves checking the glow plug in cylinder 6, inspecting the wiring, and testing the glow plug control module for proper function. Repair may involve replacing the faulty components.
6. Are there any DIY tips for addressing code P133D?
- While diagnosing and repairing glow plug-related issues can be challenging, if you have experience working on engines, you may be able to replace a faulty glow plug or wiring yourself.
7. Can driving with the OBDII code P133D cause damage to the engine?
- Continuing to drive with the code P133D may lead to decreased engine performance and potential damage over time, especially if the issue is related to the glow plug in cylinder 6.
8. Is it necessary to clear the OBDII code P133D after fixing the issue?
- Yes, it is recommended to clear the code after fixing the underlying issue to reset the ECM and ensure that the repair was successful.
9. How much does it typically cost to repair OBDII code P133D at a mechanic?
- Repair costs can vary depending on the extent of the issue and the labor rates of the mechanic, but replacing a glow plug or addressing wiring issues can range from $100 to $300 or more.
10. Can the OBDII code P133D be intermittent?
- Yes, the code P133D can sometimes be intermittent, especially if the issue with the glow plug or related components is not consistently present.
Discuss the causes and fixes for P133D OBDII Code
Code P133D comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.