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HomeElectrical & Sensors

Electrical & Sensors

Welcome to the Electrical & Sensors section. Modern engines rely on a complex “nervous system” of wires. A single failing sensor can cause a “no-start” nightmare. I help you demystify these electronic components. We translate confusing OBD-II fault codes into real repairs. Learn how to test O2 sensors, MAF sensors, and wiring harnesses. Stop guessing and stop overpaying for parts. Use these diagnostic guides to find the root cause of your “Check Engine” light.
Ignition Switch
Ignition Systems

Ignition Switch: Understanding its Importance in Vehicle Security

10/19/2024
Today, the ignition switch is a complex device, that powers numerous electrical and electronic systems, throughout the vehicle. In fact, the newest version, identifies the drivers key and allows him, to activate the starting system. […]
Automotive Fuses Box
Electrical System

Automotive Fuses: Know How They Work and Why They Blow

10/10/2024
Automotive fuses, protect the circuits in your vehicle, from excessive current flow. So, if an electrical item in your vehicle stops working, the first thing to do is, check the automotive fuses. Engineers size automotive […]
Comparing New And Old Spark Plug
Ignition Systems

Spark Plug Problems: Function, Failure And Replacement

10/03/2024
All spark plugs wear out as they age and at some point, will cause spark plug problems. Because, after enduring abuse for thousands of miles, you really can’t expect them to last forever. Good spark […]
Car Starter On Engine With Labeled Parts
Electrical System

Car Starter Problems: Causes and Solutions

09/14/2024
Issues with your car starter are actually very common, but drivers often confuse them, with other car troubles. The first indication your car starter may be going bad, is when you try to start your […]
Crankshaft Position Sensor Being Unplugged
Engine Testing

Crankshaft Position Sensor – (CKP) – Testing And Replacement

08/07/2024
Crankshaft position sensors (CKP) read ignition timing, the (RPM) signal, and determine engine speed. But, when the crankshaft position sensor (CKP) fails, it stops transmitting the readings. Consequently, the crankshaft position sensors (CKP) readings, contain […]
Crankshaft Position Sensor Mounted on Front of Engine
Engine Testing

Crankshaft Position Sensor: Tracks Position and RPM of the Crank

06/22/2024
There are a number of symptoms, that can point to your Crankshaft Position Sensor (CKP) failing. But, can also be confused with the same symptoms, caused by issues with, your Ignition or Fuel Injection System. […]
Mechanic Holding Old Car Starter Motor
Electrical System

Diagnosing Starter Problems : Common Issues and Solutions

05/27/2024
Diagnosing starter problems, begins with knowing the basics, of how an engine actually starts. Above all, the engine has to turn over, at the correct speed, before it will start. However, if that does not […]
Worn Out Car Starter Motor
Electrical System

Car Starter Motor – Common Failure Symptoms And Diagnosis Tips

05/15/2024
KNOWING THE SYMPTOMS OF A FAILING CAR STARTER MOTOR, CAN HELP YOU DIAGNOSE MANY PROBLEMS. When diagnosing car starter problems, always start with the car battery. So, for your starter to work properly, your car […]
Cooling Fan Relay in Car Electrical
Cooling Heating

Cooling Fan Relay – What Does It Do – Failure Symptoms – Testing

05/07/2024
THE COOLING FAN RELAY ESSENTIALLY FUNCTIONS AS, THE ON/ OFF SWITCH FOR THE ENGINE’S COOLING FANS. And, is therefore an important electrical component, of the engine’s cooling system. As a result, most cooling fans use […]

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