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.

P2634 OBD2: Fuel Pump “B” Control Circuit High

JC Landry May 26, 2025

Learn all about the P2634 code, what causes fuel pump "B" control circuit high, and how to diagnose and fix common issues to maintain optimal engine performance.

P2635 OBD2: Fuel Pump “A” Low Flow/Performance

JC Landry May 26, 2025

Learn all about the P2635 code, what causes fuel pump 'A' low flow/performance, and how to diagnose and fix common issues to maintain optimal engine performance.

P2636 OBD2: Fuel Pump “B” Low Flow/Performance

JC Landry May 26, 2025

Learn all about the P2636 code, what causes fuel pump "B" low flow/performance, and how to diagnose and fix common issues to maintain optimal engine performance.

P2637 OBD2: Torque Management Feedback Signal “A”

JC Landry May 26, 2025

Learn all about the P2637 code, what causes torque management feedback signal issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P2638 OBD2: Torque Management Feedback Signal “A” Range/Performance

JC Landry May 26, 2025

Learn all about the P2638 code, what causes torque management feedback signal issues, and how to diagnose and fix common problems to maintain optimal vehicle performance.

P2639 OBD2: Torque Management Feedback Signal “A” Low

JC Landry May 26, 2025

Learn all about the P2639 code, what causes torque management feedback signal "A" low, and how to diagnose and fix common issues to maintain optimal engine performance.

P2640 OBD2: Torque Management Feedback Signal “A” High

JC Landry May 26, 2025

Learn all about the P2640 code, what causes Torque Management Feedback Signal "A" High, and how to diagnose and fix common issues to maintain optimal engine performance.

P2641 OBD2: Torque Management Feedback Signal “B”

JC Landry May 26, 2025

Learn all about the P2641 code, what causes Torque Management Feedback Signal "B", and how to diagnose and fix common issues to maintain optimal engine performance.

P2642 OBD2: Torque Management Feedback Signal “B” Range/Performance

JC Landry May 26, 2025

Learn all about the P2642 code, what causes torque management feedback signal issues, and how to diagnose and fix common problems to maintain optimal vehicle performance.

P2643 OBD2: Torque Management Feedback Signal “B” Low

JC Landry May 26, 2025

Learn all about the P2643 code, what causes Torque Management Feedback Signal "B" low, and how to diagnose and fix common issues to maintain optimal engine performance.