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.

P0216 OBD2: Injector/Injection Timing Control Circuit

JC Landry September 10, 2025

Learn all about the P0216 code, what causes injector/injection timing control circuit issues, and how to diagnose and fix common issues to maintain optimal engine performance.

P0217 OBD2: Engine Coolant Over Temperature Condition

JC Landry September 10, 2025

Learn all about the P0217 code, what causes engine coolant over temperature condition, and how to diagnose and fix common issues to maintain optimal engine performance.

P0218 OBD2: Transmission Fluid Over Temperature Condition

JC Landry September 10, 2025

Learn all about the P0218 code, what causes transmission fluid over temperature condition, and how to diagnose and fix common issues to maintain optimal engine performance.

P0219 OBD2: Engine Overspeed Condition

JC Landry September 10, 2025

Learn all about the P0219 code, what causes engine overspeed condition, and how to diagnose and fix common issues to maintain optimal engine performance.

P021A OBD2: Cylinder 7 Injection Timing

JC Landry September 8, 2025

Learn all about the P021A code, what causes cylinder 7 injection timing issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P021B OBD2: Cylinder 8 Injection Timing

JC Landry September 8, 2025

Learn all about the P021B code, what causes cylinder 8 injection timing issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P021C OBD2: Cylinder 9 Injection Timing

JC Landry September 8, 2025

Learn all about the P021C code, what causes cylinder 9 injection timing issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P021D OBD2: Cylinder 10 Injection Timing

JC Landry September 8, 2025

Learn all about the P021D code, what causes cylinder 10 injection timing issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P021E OBD2: Cylinder 11 Injection Timing

JC Landry September 8, 2025

Learn all about the P021E code, what causes cylinder 11 injection timing issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P021F OBD2: Cylinder 12 Injection Timing

JC Landry September 8, 2025

Learn all about the P021F code, what causes cylinder 12 injection timing issues, and how to diagnose and fix common problems to maintain optimal engine performance.