Fuel supply system

LTFT B1 normal range refers to your vehicle fuel trim and how it uses it to determine the amount of fuel that goes to the engine. It is a longer …

Long-term fuel trims relate to the air-fuel ratio and their interaction. The ECM relies on sensors to balance the air-to-fuel ratio in engine combustion. These sensors include the oxygen sensor, …

An air-fuel mixture ratio can be long-term fuel trim or short-term fuel trim. I’ve explained what the former means. In this article, I’ll discuss what STFT entails.  The performance of …

A generic scanner often brings up error codes and terminology when connected to a car engine. What this terminology indicates varies, depending on what the error is. The fuel SYS …

A long-term fuel trim high at idle is a common issue that can affect the performance of your car engine. The overall efficiency of your vehicle is also at risk. …

Keeping a vehicle’s throttle body clean is critical to the stability of the engine, its fuel economy, how well the vehicle accelerates, and other functions. Using a brake cleaner to …

Cleaning the throttle body is an important maintenance task, as the throttle body is important to the engine’s performance. If you do not clean the throttle body, your vehicle will …

A car is a complicated piece of work. With so many components to it, they all link together to create an engine that runs smoothly. This includes the hydraulic pump, …

Perhaps you have wondered if a vehicle could run if the throttle position sensor is unplugged? The Throttle Position Sensor, or TPS, will still allow your car to run. However, …