Negative Fuel Trim - Why Does It Occur?

A negative injector quantity correction is when the engine control unit (ECU) subtracts fuel from one common-rail injector because it is delivering too much compared with the others. A positive correction is the reverse - the ECU adds fuel to an injector that is delivering too little. It is a per-cylinder balancing value, measured in […]

Mariusz Komosa - 14 April 2023

Injection angle - what should it be and why is it so important?

The injection angle is one of the key parameters of injectors that affects engine performance. It is worth paying attention to its significance when designing and tuning engines, because an incorrect injection angle can lead to reduced power, increased exhaust emissions and higher fuel consumption. In this article you will learn what the injection angle […]

Mariusz Komosa - 14 April 2023

What Is the Cost of Injector Reconditioning?

What is the cost of injector reconditioning? This is a question drivers ask themselves when their car begins to lose power and the engine runs unevenly. The injector is one of the most important components of the fuel supply system in a car engine, responsible for delivering the right amount of fuel to the cylinders. […]

Mariusz Komosa - 14 April 2023

What is direct injection?

Direct injection is the process of injecting fuel directly into the engine’s combustion chamber instead of the traditional injection into the intake manifold. It is one of the most effective ways to improve engine performance, as well as to reduce exhaust emissions. How does direct injection work? Direct injection enables precise metering of fuel directly […]

Mariusz Komosa - 14 April 2023

How to Force DPF Regeneration? - Everything You Need to Know

If you have noticed that your car is having problems with the DPF, you already know how serious an issue this is. Although the DPF (Diesel Particulate Filter) is an extremely important engine component, its clogging can lead to serious consequences, such as failure of the exhaust system or reduced engine performance. In this article, […]

Mariusz Komosa - 13 March 2023

How to burn off the DPF while stationary? - a step-by-step guide

Did you know that from time to time it is necessary to burn off the diesel particulate filter (DPF)? If it is not cleaned regularly, this can lead to serious problems with the vehicle’s exhaust system. In this article we present, step by step, how to burn off the DPF while stationary in order to […]

Mariusz Komosa - 13 March 2023

How to Burn Off a DPF? A Step-by-Step Guide

If you own a car with a diesel engine, you have surely come across a problem known as the DPF, that is, the diesel particulate filter. The DPF (Diesel Particulate Filter) is a component of the exhaust system whose job is to trap the harmful particulates emitted by a diesel engine. Unfortunately, frequent driving in […]

Mariusz Komosa - 13 March 2023

DPF - how to check if your car has one?

There are four ways to settle this and they differ in how conclusive they are. The most reliable takes five minutes with a diagnostic tool, the simplest needs nothing but a look underneath. We start with two pieces of advice circulating online, though, because one is useless and the other can damage an engine. Two […]

Mariusz Komosa - 13 March 2023

DPF Failure Symptoms - How to Recognize and Prevent Them?

Most of what drivers call a DPF failure is not a failure. The filter may be mid-regeneration, it may be loaded with soot, it may be saturated with ash, and sometimes the problem lies in a sensor rather than the filter. Those are four different states, four different bills, and only one of them genuinely […]

Mariusz Komosa - 13 March 2023

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