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.

P2A01 OBD2: O2 Sensor Circuit Range/Performance

JC Landry May 9, 2025

Learn all about the P2A01 code, what causes O2 sensor circuit range/performance issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P2A02 OBD2: O2 Sensor Circuit Range/Performance

JC Landry May 9, 2025

Learn all about the P2A02 code, what causes O2 sensor circuit range/performance issues, and how to diagnose and fix common issues to maintain optimal engine performance.

P2A03 OBD2: O2 Sensor Circuit Range/Performance

JC Landry May 9, 2025

Learn all about the P2A03 code, what causes O2 sensor circuit range/performance issues, and how to diagnose and fix common issues to maintain optimal engine performance.

P2A04 OBD2: O2 Sensor Circuit Range/Performance

JC Landry May 9, 2025

Learn all about the P2A04 code, what causes O2 sensor circuit range/performance issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P2A05 OBD2: O2 Sensor Circuit Range/Performance

JC Landry May 9, 2025

Learn all about the P2A05 code, what causes O2 sensor circuit range/performance issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P2A06 OBD2: O2 Sensor Negative Voltage

JC Landry May 9, 2025

Learn all about the P2A06 code, what causes O2 sensor negative voltage, and how to diagnose and fix common issues to maintain optimal engine performance.

P2A07 OBD2: O2 Sensor Negative Voltage

JC Landry May 9, 2025

Learn all about the P2A07 code, what causes O2 sensor negative voltage, and how to diagnose and fix common issues to maintain optimal engine performance.

P2A08 OBD2: O2 Sensor Negative Voltage

JC Landry May 9, 2025

Learn all about the P2A08 code, what causes O2 sensor negative voltage, and how to diagnose and fix common issues to maintain optimal engine performance.

P2A09 OBD2: O2 Sensor Negative Voltage

JC Landry May 9, 2025

Learn all about the P2A09 code, what causes negative voltage from the oxygen sensor, and how to diagnose and fix common issues to maintain optimal engine performance.

P2A10 OBD2: O2 Sensor Negative Voltage

JC Landry May 9, 2025

Learn all about the P2A10 code, what causes O2 sensor negative voltage issues, and how to diagnose and fix common problems to maintain optimal engine performance.