What does the engine cooler temperature (ECT-) sensor do? What happens when the water temperature sensor malfunctions? What are the symptoms for a coolant sensor malfunction? How to replace the temperature sensors ?....The engine coolant temp (ECT) sensor monitors the engine's internal temperature. It is a very simple sensor. It is used for measuring the coolant temperature inside...
What is an Air Flow sensor (MAF)? What does the MAF sensor do? What are the MAF sensor malfunction codes and symptoms? How to clean MAF sensor ?....
Two types of Mass Air Flow Sensors are used in multipoint injection systems. They are hot wire and hot films. Although their designs are slightly different, both types measure the volume...
What is a Manifold Absolute Pressure (MAP) Sensor? What is the MAP sensor? What is the MAP sensor's function? What are the symptoms for MAP sensor malfunctions? What are the types of MAP sensor fault codes?The Manifold Absolute Pressure Sensor, MAP / Manifold Absolute Pressure, is one of the key sensors used to detect engine load. The sensor...
What is a Vane Air Flow sensor (VAF)? How does the VAF Sensor work? What is the purpose of the VAF sensors? What are the symptoms of a VAF sensor malfunction?
Multi-point electronic fuel injection engines use air flow sensors. The computer that controls the amount fuel being sent to the combustion chamber (or ECU) is responsible for...
What is a direct gasoline injector engine? How does it work? What are the main advantages and problems with GDI TSI or FSI engines ?
Direct Gasoline injection (Gasoline Direct injection /GDI) is a fuel injection system that injects gasoline directly to the combustion chamber. There is one fuel injector per engine cylinder, as with engines with Multi Point...
How to diagnose and fix an air conditioner compressor fault. How can you tell if your air conditioner is failing? What is an air conditioning compressor? Principle of operation for an air conditioner compressor .....The heart of the cooling systems is the compressor. The crank pulley of an engine drives the compressor. It is controlled by a belt....
What are the signs and symptoms of immobilizer failure? What is an immobilizer? How does it work? How to fix an immobilizer malfunction ?....
The Immobilizer is an anti-theft device that has been used in many cars made in the past 20 years. It greatly reduces the chance of your vehicle being stolen if it works correctly.
You can experience...
What is the reason why the immobilizer light comes on? What is Immobilizer Active and how does it work? Is it safe for me to drive if the immobilizer warning lamp is on ?....?The immobilizer warning lamp will light up if your anti-theft device does not recognize the key that you use, if you are using the wrong...
Start & Stop Engine Start Button malfunctions and problems. Why is the engine not starting when I push the Engine Start Button ?....Most new vehicles use "Start & Stop Engine" technology instead of the traditional key-style ignition switch. The smart key is used to enter the vehicle and sends an encrypted signal to the Powertrain Control Modul (PCM)....
What are the P0171 & P0174 fault codes? Is there a reason for lean mixture failure? What are the signs and causes of poor mixture? How to fix P0171 & P0174 error codes ?....This article will help you if the "Engine Malfunction Lamp", or engine lamp, is on.For closed-circuit fuel systems, the ideal mixture of air and fuel...
