P0128 Code: Coolant Temperature Below Thermostat Regulating Temperature
Error code P0128 simply means the coolant temperature is below the ability of the thermostat to regulate. This code may not alert you to the …
P0171 OBD-II Trouble Code: Fuel Trim System Too Lean (Bank 1)
A P0171 code is set by your vehicle’s powertrain control module (PCM) when it detects that the air-to-fuel ratio of your vehicle is too lean. …
P0456 Error Code: Evaporative Emissions System – Small Leak Detected
Wondering why the check engine light is on and what is has to do with code P0456? Your vehicle has a complex evaporative emissions system …
P0420 Error Code: Catalyst System Efficiency Below Threshold
The P0420 code signals a low catalyst system efficiency. This code suggests that the oxygen levels are below the desired threshold (Bank 1), which most …
What is a Spark Plug?- Diagram, Parts, and Types
The spark plug is a seemingly simple device, although it is tasked with a couple of different but critical jobs. First and foremost, it creates …
7 Symptoms Of Bad Spark Plugs and How To Read It!
The most common symptoms of bad spark plugs include start-up trouble, rough idling, sluggish acceleration, declining fuel economy, engine misfiring, and engine knocking. Failing to …
Engine Block: Function, And Symptoms of a Cracked Engine Block
What is an Engine Block? In an internal combustion engine, the engine block is the structure which contains the cylinder, cylinder sleeves, coolant passages, and …
Gudgeon Pin/Wrist Pin: Function, Construction, and Installation
What Is a Gudgeon Pin? A gudgeon pin, also known as a wrist pin, is an important part of a car engine. It creates a …
What Is A Crankshaft And How Does It Work?
The crankshaft is a rotating shaft driven by a crank mechanism. It is a mechanical device that converts the piston’s linear movement into a rotating …
P0521 Code: Meaning, Causes, Symptoms and How to Fix It.
Having a warning light appear on your car’s dashboard is never something you want to have to deal with, but it is a normal part …
P0522 Code: Engine Oil Pressure Sensor/Switch Low Voltage
Oil pressure is an indication of your vehicle’s health. If the oil pressure in your engine is in the normal range, it means that there’s …
P0520 Code: Meaning, Causes, Symptoms, & Fixing
The OBD trouble code P0520 relates to the vehicle’s engine oil pressure sensor or switch and its associated electrical circuit and its operation. It’s a …