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.

P0432 OBD2: Main Catalyst Efficiency Below Threshold

JC Landry May 5, 2025

Learn all about the P0432 code, what causes main catalyst efficiency below threshold, and how to diagnose and fix common issues to maintain optimal engine performance.

P3492 OBD2: Cylinder 12 Deactivation/Intake Valve Control Circuit High

JC Landry May 2, 2025

Learn all about the P3492 code, what causes cylinder 12 deactivation/intake valve control circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.

P3493 OBD2: Cylinder 12 Exhaust Valve Control Circuit/Open

JC Landry May 1, 2025

Learn all about the P3493 code, what causes cylinder 12 exhaust valve control circuit/open issues, and how to diagnose and fix common problems.

P0150 OBD2: O2 Sensor Circuit Malfunction (Bank 2 Sensor 1)

JC Landry April 30, 2025

Learn all about the P0150 code, what causes O2 sensor circuit malfunction, and how to diagnose and fix common issues to maintain optimal engine performance.

P2576 OBD2: Direct Ozone Reduction Catalyst Deterioration Sensor Circuit

JC Landry April 30, 2025

Learn all about the P2576 code, what causes direct ozone reduction catalyst deterioration sensor circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P2571 OBD2: Direct Ozone Reduction Catalyst Temperature Sensor Circuit

JC Landry April 30, 2025

Learn all about the P2571 code, what causes issues with the Direct Ozone Reduction Catalyst Temperature Sensor Circuit, and how to diagnose and fix common problems.

P0170 OBD2: Fuel Trim (Bank 1)

JC Landry April 30, 2025

Learn all about the P0170 code, what causes fuel trim issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P0153 OBD2: O2 Sensor Circuit Slow Response (Bank 2 Sensor 1)

JC Landry April 30, 2025

Learn all about the P0153 code, what causes oxygen sensor circuit slow response, and how to diagnose and fix common issues to maintain optimal engine performance.

P0152 OBD2: O2 Sensor Circuit High Voltage (Bank 2 Sensor 1)

JC Landry April 30, 2025

Learn all about the P0152 code, what causes O2 sensor circuit high voltage, and how to diagnose and fix common issues to maintain optimal engine performance.

P0151 OBD2: O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1)

JC Landry April 30, 2025

Learn all about the P0151 code, what causes O2 sensor circuit low voltage, and how to diagnose and fix common issues to maintain optimal engine performance.