JC Landry, Author at eManualOnline Blog

JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

P0673 OBD2: Cylinder 3 Glow Plug Circuit/Open

JC Landry August 25, 2025

Learn all about the P0673 code, what causes cylinder 3 glow plug circuit/open issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P0674 OBD2: Cylinder 4 Glow Plug Circuit/Open

JC Landry August 25, 2025

Learn all about the P0674 code, what causes cylinder 4 glow plug circuit/open issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P0675 OBD2: Cylinder 5 Glow Plug Circuit/Open

JC Landry August 25, 2025

Learn all about the P0675 code, what causes cylinder 5 glow plug circuit/open issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P0676 OBD2: Cylinder 6 Glow Plug Circuit/Open

JC Landry August 25, 2025

Learn all about the P0676 code, what causes cylinder 6 glow plug circuit/open issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P0677 OBD2: Cylinder 7 Glow Plug Circuit/Open

JC Landry August 24, 2025

Learn all about the P0677 code, what causes cylinder 7 glow plug circuit/open issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P0678 OBD2: Cylinder 8 Glow Plug Circuit/Open

JC Landry August 24, 2025

Learn all about the P0678 code, what causes cylinder 8 glow plug circuit/open issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P0679 OBD2: Cylinder 9 Glow Plug Circuit/Open

JC Landry August 24, 2025

Learn all about the P0679 code, what causes cylinder 9 glow plug circuit/open issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P067A OBD2: Cylinder 4 Glow Plug Control Circuit Low

JC Landry August 24, 2025

Learn all about the P067A code, what causes cylinder 4 glow plug control circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.

P067B OBD2: Cylinder 4 Glow Plug Control Circuit High

JC Landry August 24, 2025

Learn all about the P067B code, what causes cylinder 4 glow plug control circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.

P067C OBD2: Cylinder 5 Glow Plug Control Circuit Low

JC Landry August 24, 2025

Learn all about the P067C code, what causes cylinder 5 glow plug control circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.