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Vehicle Repair
What is the Air Flow sensor (MAF)? What is it used for?
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...
What’s the Manifold Absolute Pressurization Sensor (MAP), Function?
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...
What is a Vane Air Flow Sensor (VAF), and what does it do? What does it do?
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...
What is a direct injection engine? How GDI TSI FSI Engines work
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...
Failures of the Air Conditioning Compressor and Repair
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...
Five Signs that Your Immobilizer is Not Working
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...
Why does the immobilizer light come on?
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...
Start & Stop Engine Start Button Malfunctions
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...
P0171 Fault Code – Poor Combination
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...
What is P0172 Rich Mixture Malfunction? What can you do?
What are the P0172 & P0175 fault codes? Is rich mix failure possible? What can be done to fix P0172 or P0175 fault codes What are the causes and symptoms of poor mix failure?For low fuel consumption and emissions, the engine computer (PCM), tries to maintain a 14.7/1...
P0641 Malfunction Code – Sensor Reference Voltage "A" Circuit Open
What is the P0641 fault codes? What is the description of the P0641 Sensor Reference Voltage “A” Circuit Open error code? How can you fix P0641 fault codes? What are the symptoms and causes for the P0641 fault codeA P0641 code indicates that there has been a fault...
What is P0173 Fuel Trim Malfunction Bank 2 and How Can It Be Fixed? How do I fix?
What is the P0173 fault number? What is Fuel Trim Failure (Bank 2)? How do you fix the P0173 fault code What are the causes and symptoms of the P0173 error code?P0173 stands for "Fuel Trim Failure". The code description states that "Bank 2" refers to the engine...
P0170 Fault Code – Fuel Trim Fault Bank 1
What is the P0170 fault code for an engine? What is the P0170 "Rank1 Fuel Trim Malfunction" error code. The symptoms and diagnostic methods for P0170 engine error code ....."Rank 1 Fuel trim malfunction" is the P0170 error code. The PCM detected a fuel trim that is not...
Noisy Engine Running
What is the reason for the engine's loud operation? Why is the engine running so loudly? How do I turn off engine noise ?....Engine operation that is extremely noisy is usually an indication of a problem. Every engine makes noise while running. However, if your engine is making...
What is P0100 Malfunction in the Mass Air Flow Sensor Circuit?
What is P0100 fault code and what does it mean? What is the Mass Air Flow Sensor circuit Trouble malfunction description? How do you fix the P0100 fault code What are the causes and symptoms of the P0100 fault codes?P0100 refers to a diagnosis code for a "Mass...
P0127 Fault code – Intake Air temperature too high
What is P0127 fault code? Is there a reason why the Intake Air Temperature Too High fault is occurring? How can I fix the P0127 fault code What are the symptoms and causes for the P0127 fault codeWhat is the P0127 Fault code? What does it signify?This code...
What is P0128 Thermostat Problem? What can you do?
What is the P0128 engine fault codes? How can you fix P0128 fault code What are the causes and symptoms of P0128 fault code How to fix Coolant Thermostat Failure ?....P0128, "Coolant Temperature Malfunction", is a condition in which the coolant does NOT reach its normal temperature after...
P0148 Fault Code: Fuel Delivery Malfunction
What is the P0148 engine fault? What is the P0148 fuel delivery malfunction error code? .....Causes and symptoms of P0148 engine fault codeP0148, "Fuel delivery Malfunction", is a generic code the PCM generates when it happens. This applies to OBD II equipped vehicles (Dodge Ram, Ford, Ram, Ford...
What is an EGR Valve? What are the Signs of EGR Valve Failure
What does the EGR valve do? How does the EGR-valve work? What are the symptoms of an EGR valve malfunction? How do you replace an EGR Valve? What should you do if your EGR valve breaks ?....What is the function of the EGR ValveThe EGR valve is an...
Oil Pump Malfunction: Symptoms and Duty
What are the signs that the oil pump is not working properly? What is the role of the oil pumps? What causes an oil pump to fail? What types of oil pumps ?What is the Duty Of The Oil Pump?Oil pumps are responsible for moving the oil. It...
Why does the Airbag Lamp Come On? How do you extinguish an Airbag Lamp?
Why does the airbag light turn on? How do I turn off the airbag lamp What are the causes for airbag failure Is it safe to drive when the Airbag Lamp ?.... is on?The Airbag light suddenly appears on your dashboard as you start your car. The Airbag...