obd2 codes

Main Relay for Cars: Symptoms of Failure and Replacement Cost

The main relay controls the fuel system and the car's ECU. Symptoms of failure include no-start, stalling after start, and a lit check engine light. A complete diagnostic guide.

6 years ago Read

OBD2 Code P2028 - EVAP Temperature Sensor Circuit Diagnosis and Repair

A comprehensive guide to diagnosing and repairing OBD2 code P2028—the EVAP temperature sensor circuit with fluctuating voltage.

6 years ago Read

OBD2 Code P0324: Detonation Sensor Circuit Problems

A comprehensive guide to diagnosing and repairing the P0324 error code — detonation sensor circuit. Causes, symptoms and troubleshooting methods.

6 years ago Read

Engine oil temperature sensor: operation, faults, and diagnostics

Technical guide on the engine oil temperature sensor: how it works, failure symptoms, error codes, and professional diagnostic methods.

7 years ago Read