What is the EGR code for a Chevy 2500HD?

What is the EGR code for a Chevy 2500HD?

Please try again later. Come along with Eric O. at the SMA shop as we have a look at this Chevy 2500HD with the Duramax Diesel 6.6 LLY that has the famous EGR Code P0401 and P0404. Insufficient EGR Flow and EGR Valve Closed Performance.

What is the RPO code for a Duramax Diesel?

You can either look it up by application or check the 8 th digit of your truck’s VIN to confirm. Duramax Diesel engine RPO codes include: Applications: 2001-Early 2004 Chevy Silverado and GMC Sierra, 2001-2005 Chevy Kodiak and GMC TopKick Details: First version of the Duramax diesel.

What kind of exhaust gas does a Duramax use?

First Duramax to use an EGR (exhaust gas recirculation) system. Applications: 2006 Silverado, Sierra, Kodiak and TopKick, 2007 Silverado and Sierra Classic (older GMT800 body style, NOT the newer GMT900), 2006 Chevy Express and GMC Savana full-size vans (first year of the vans offering the Duramax as an option)

When did the Duramax diesel engine come out?

Coming out right when American consumers started switching from cars to trucks, it was a huge success; the engine factory in Ohio produced the millionth Duramax diesel less than 7 years after the first. Like most diesel pickups, the Duramax has a reputation for durability and longevity.

What does the code p046c mean on the EGR sensor?

The code P046C indicates a “B” circuit malfunction, so check the EGR sensor connector for corrosion, bent or pushed out terminals or loose connection. Clean off any corrosion and re-seat the connector. Remove the electrical connector and remove the EGR.

What is the diagnostic code for a Chevy Duramax?

Below are common check engine light trouble codes for the Chevy/GM Duramax diesel. This list has been updated to includes Chevy/GM Duramax diagnostic trouble codes. At Thoroughbred Diesel we are a real diesel performance and repair shop that offers free advice. Call us at 1-866-737-4966 with any questions you may have about your diesel.

What is the OBD code for an EGR sensor failure?

The symptoms depend on the position of the EGR pintle at the time of failure. The service engine soon light will illuminate and the OBD code P046C will be set. Additionally, a second code relating to the EGR sensor failure may be set. Code P044C relates to a low sensor voltage and P044D relates to a high voltage situation

What makes a defective differential pressure feedback EGR sensor?

Defective differential pressure feedback EGR sensor. All EGR valves have one thing in common-they re-circulate exhaust from the exhaust to the intake manifold. Other than that, they differ in their methods for regulating the opening of the pintle and sensing its position.