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.

P0275 OBD2: Cylinder 5 Contribution/Balance

JC Landry September 3, 2025

Learn all about the P0275 code, what causes cylinder 5 contribution/balance issues, and how to diagnose and fix common issues to maintain optimal engine performance.

P0276 OBD2: Cylinder 6 Injector Circuit Low

JC Landry September 3, 2025

Learn all about the P0276 code, what causes cylinder 6 injector circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.

P0277 OBD2: Cylinder 6 Injector Circuit High

JC Landry September 3, 2025

Learn all about the P0277 code, what causes cylinder 6 injector circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.

P0278 OBD2: Cylinder 6 Contribution/Balance

JC Landry September 3, 2025

Learn all about the P0278 code, what causes cylinder 6 contribution/balance issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P0279 OBD2: Cylinder 7 Injector Circuit Low

JC Landry September 3, 2025

Learn all about the P0279 code, what causes cylinder 7 injector circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.

P0280 OBD2: Cylinder 7 Injector Circuit High

JC Landry September 3, 2025

Learn all about the P0280 code, what causes cylinder 7 injector circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.

P0281 OBD2: Cylinder 7 Contribution/Balance

JC Landry September 3, 2025

Learn all about the P0281 code, what causes cylinder 7 contribution/balance issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P0282 OBD2: Cylinder 8 Injector Circuit Low

JC Landry September 3, 2025

Learn all about the P0282 code, what causes cylinder 8 injector circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.

P0283 OBD2: Cylinder 8 Injector Circuit High

JC Landry September 3, 2025

Learn all about the P0283 code, what causes cylinder 8 injector circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.

P0284 OBD2: Cylinder 8 Contribution/Balance

JC Landry September 3, 2025

Learn all about the P0284 code, what causes cylinder 8 contribution/balance issues, and how to diagnose and fix common problems to maintain optimal engine performance.