P050D Chevrolet Code - Cold Start Rough Idle
Quick Answer
During a cold start, the Engine Control Module (ECM) commands dual-pulse mode during Open Loop operation to improve cold start emissions. Common causes include Faulty Fuel Injector, Fuel Injector harness is open or shorted, Fuel Injector circuit poor electrical connection. 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
- P050D Chevrolet indicates Cold Start Rough Idle.
- Common causes
- Common causes include Faulty Fuel Injector, Fuel Injector harness is open or shorted, Fuel Injector circuit poor electrical connection.
- 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.
Code P050D Chevrolet Description
What are the Possible Causes of the DTC P050D Chevrolet?
- Faulty Fuel Injector
- Fuel Injector harness is open or shorted
- Fuel Injector circuit poor electrical connection
How to Fix the DTC P050D Chevrolet?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
2016-2018 Chevrolet Camaro
2016-2019 Chevrolet Corvette
2014-2018 Chevrolet Silverado 1500
2015-2018 Chevrolet Suburban
2015-2018 Chevrolet Tahoe
Condition: A vehicle may have a concern about a DTC P050D setting along with a P0300 after a cold startup. White smoke and/or coolant odor may come from the exhaust for an extended period of time at a cold start as well. It may also Run rough when warm, with a slight knock, no codes set.
Cause: Coolant getting into the cylinders. If there is coolant in the cylinder, the cylinder head will need to be replaced.
User Submitted Video
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P050D Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P050D Chevrolet code?
Need more information on how to fix the P050D Chevrolet code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P050D Chevrolet code diagnosed by a professional: Find a repair shop in your area
Information for Specific Chevrolet Models
- P050D 2014 Chevrolet Silverado — Cold Start Rough Idle
- P050D 2015 Chevrolet Silverado — Cold Start Rough Idle
- P050D 2016 Chevrolet Silverado — Cold Start Rough Idle
- P050D 2017 Chevrolet Silverado — Cold Start Rough Idle
- P050D 2018 Chevrolet Silverado — Cold Start Rough Idle
Frequently Asked Questions about P050D Chevrolet Code
1. What are the common symptoms of OBDII code P050D (Chevrolet) indicating Cold Start Rough Idle?
- Common symptoms include rough idle when starting the vehicle in cold conditions, engine stalling, and potential misfires.
2. What are the possible causes of OBDII code P050D in a Chevrolet, leading to Cold Start Rough Idle?
- Possible causes include issues with the idle air control valve, faulty oxygen sensors, vacuum leaks, or problems with the fuel system.
3. How can I diagnose the OBDII code P050D in my Chevrolet if I experience Cold Start Rough Idle?
- You can use an OBDII scanner to read the code and check live data parameters related to the engine idle, oxygen sensors, and fuel trims for further diagnostics.
4. What are some DIY repair tips to address OBDII code P050D in a Chevrolet with Cold Start Rough Idle?
- DIY repair tips can include checking and cleaning the idle air control valve, inspecting for vacuum leaks, replacing faulty oxygen sensors, or cleaning the throttle body.
5. Is it safe to continue driving my Chevrolet with OBDII code P050D causing Cold Start Rough Idle?
- It is not recommended to drive your vehicle with this issue as it can lead to further engine problems and potential safety hazards. It is best to address the underlying cause promptly.
6. Will resetting the OBDII code P050D in my Chevrolet fix the Cold Start Rough Idle issue?
- Resetting the code may temporarily remove the check engine light, but it will not fix the underlying issue causing the Cold Start Rough Idle. Proper diagnosis and repair are necessary.
7. How much can I expect to pay for professional repairs for OBDII code P050D in a Chevrolet with Cold Start Rough Idle?
- Repair costs can vary depending on the specific cause of the issue, but you can expect to pay anywhere from $100 to $500 or more for parts and labor.
8. Can a dirty air filter cause OBDII code P050D and Cold Start Rough Idle in a Chevrolet?
- A dirty air filter is unlikely to directly cause this specific OBDII code, but it can contribute to poor engine performance and rough idle. It's recommended to replace a dirty air filter regularly.
9. Are there any recalls or technical service bulletins related to OBDII code P050D in Chevrolet vehicles with Cold Start Rough Idle?
- It's always a good idea to check with a Chevrolet dealership or visit the NHTSA website to see if there are any relevant recalls or technical service bulletins related to this issue.
10. How long does it typically take to repair OBDII code P050D causing Cold Start Rough Idle in a Chevrolet?
- The repair time can vary depending on the specific cause of the issue, but most repairs related to this code can be completed within a few hours to a day by a professional mechanic.
Discuss the causes and fixes for P050D Chevrolet OBDII Code
-
have code P050D, 2015 SIERRA, is there a GMC service bulletin on this issue?
-
I DID ADD LUCAS FUEL TREATMENT. CODE WENT AWAY BUT RETURNED 2 DAYS LATER.
CLEANED THROTTLE BODY , WENT AWAY BUT CAME BACK ONE DAY LATER. -
Yes, the bulletin suggest checking the cylinder for coolant. If there is coolant in the cylinder, the cylinder head will need to be replace. Check with your local dealer if that is cover under warranty.
P050D GMC - Cold Start Rough Idle
Read more: https://www.autocodes.com/p...
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
