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.

P050D OBD2: Cold Start Rough Idle

JC Landry August 29, 2025

Learn all about the P050D code, what causes cold start rough idle, and how to diagnose and fix common issues to maintain optimal engine performance.

P050E OBD2: Cold Start Engine Exhaust Temperature Too Low

JC Landry August 29, 2025

Learn all about the P050E code, what causes cold start engine exhaust temperature to be too low, and how to diagnose and fix common issues to maintain optimal engine performance.

P050F OBD2: Brake Assist Vacuum Too Low

JC Landry August 29, 2025

Learn all about the P050F code, what causes brake assist vacuum to be too low, and how to diagnose and fix common issues to maintain optimal brake performance.

P0510 OBD2: Closed Throttle Position Switch

JC Landry August 29, 2025

Learn all about the P0510 code, what causes the Closed Throttle Position Switch issue, and how to diagnose and fix common issues to maintain optimal engine performance.

P0511 OBD2: Idle Air Control Circuit

JC Landry August 29, 2025

Learn all about the P0511 code, what causes idle air control circuit issues, and how to diagnose and fix common problems to maintain optimal engine performance.

P0512 OBD2: Starter Request Circuit

JC Landry August 29, 2025

Learn all about the P0512 code, what causes the starter request circuit issue, and how to diagnose and fix common issues to maintain optimal engine performance.

P0513 OBD2: Incorrect Immobilizer Key

JC Landry August 29, 2025

Learn all about the P0513 code, what causes incorrect immobilizer key, and how to diagnose and fix common issues to maintain optimal engine performance.

P0514 OBD2: Battery Temperature Sensor Circuit Range/Performance

JC Landry August 29, 2025

Learn all about the P0514 code, what causes battery temperature sensor circuit range/performance issues, and how to diagnose and fix common issues to maintain optimal engine performance.

P0515 OBD2: Battery Temperature Sensor Circuit

JC Landry August 29, 2025

Learn all about the P0515 code, what causes issues with the battery temperature sensor circuit, and how to diagnose and fix common problems to maintain optimal engine performance.

P0516 OBD2: Battery Temperature Sensor Circuit Low

JC Landry August 29, 2025

Learn all about the P0516 code, what causes battery temperature sensor circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.