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.

P0521 OBD2: Engine Oil Pressure Sensor/Switch Range/Performance

JC Landry August 27, 2025

Learn all about the P0521 code, what causes engine oil pressure sensor/switch range/performance issues, and how to diagnose and fix common problems.

P0522 OBD2: Engine Oil Pressure Sensor/Switch Low

JC Landry August 27, 2025

Learn all about the P0522 code, what causes engine oil pressure sensor/switch low, and how to diagnose and fix common issues to maintain optimal engine performance.

P0523 OBD2: Engine Oil Pressure Sensor/Switch High

JC Landry August 27, 2025

Learn all about the P0523 code, what causes high engine oil pressure sensor readings, and how to diagnose and fix common issues to maintain optimal engine performance.

P0524 OBD2: Engine Oil Pressure Too Low

JC Landry August 27, 2025

Learn all about the P0524 code, what causes engine oil pressure to be too low, and how to diagnose and fix common issues to maintain optimal engine performance.

P0525 OBD2: Cruise Control Servo Control Circuit Range/Performance

JC Landry August 27, 2025

Learn all about the P0525 code, what causes cruise control servo control circuit range/performance issues, and how to diagnose and fix common problems to maintain optimal vehicle performance.

P0526 OBD2: Fan Speed Sensor Circuit

JC Landry August 27, 2025

Learn all about the P0526 code, what causes fan speed sensor circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P0527 OBD2: Fan Speed Sensor Circuit Range/Performance

JC Landry August 27, 2025

Learn all about the P0527 code, what causes fan speed sensor circuit range/performance issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P0528 OBD2: Fan Speed Sensor Circuit No Signal

JC Landry August 27, 2025

Learn all about the P0528 code, what causes fan speed sensor circuit no signal, and how to diagnose and fix common issues to maintain optimal engine performance.

P0529 OBD2: Fan Speed Sensor Circuit Intermittent

JC Landry August 27, 2025

Learn all about the P0529 code, what causes fan speed sensor circuit intermittent issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P052A OBD2: Cold Start “A” Camshaft Position Timing Over-Advanced

JC Landry August 27, 2025

Learn all about the P052A code, what causes cold start 'A' camshaft position timing over-advanced, and how to diagnose and fix common issues to maintain optimal engine performance.