Chepq's Blog

A smooth idle is essential for proper engine performance. When a vehicle is at rest, the engine should run consistently without shaking or stalling. However, problems in the fuel or air system can cause rough idling. Modern vehicles use OBD2 idle speed diagnostics  to monitor engine behavior at idle and detect irregularities. What Causes Idle Speed Problems Idle issues can occur due to several reasons, including: Dirty throttle body Faulty idle air control valve Vacuum leaks

Vehicle diagnostics have changed dramatically over the past few decades. Early vehicles relied on mechanical troubleshooting, which required extensive manual inspection. The introduction of On-Board Diagnostics (OBD)  revolutionized the automotive industry by providing automated diagnostic systems. Early Development of OBD The first generation of OBD systems appeared in the 1980s. These systems could detect basic engine and emission problems. However, early OBD systems lacked

The throttle body controls the amount of air entering the engine. Proper airflow is essential for efficient fuel combustion and engine performance. Modern vehicles use OBD2 throttle body diagnostics  to monitor throttle operation and detect issues. Role of the Throttle Body The throttle body regulates airflow based on the driver’s acceleration input. When the accelerator pedal is pressed, the throttle valve opens to allow more air into the engine. This process ensures proper