Electrical Systems Archives

Engine Coolant Temperature (ECT) Sensor Location

Engine Coolant Temperature (ECT) Sensor: Failure Signs: Testing

09/23/2024

The engine coolant temperature (ECT) sensors function, is to monitor the temperature of the engine’s coolant. So, most engine coolant temperature (ECT) sensors operate, using electrical resistance to measure the temperature of the coolant. The […]

Car Starter On Engine With Labeled Parts

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 […]

Oxygen Sensor (O2) Mounted on Exhaust Manifold

Oxygen Sensor (O2) – Rich Or Lean Engine Codes, What To Check

07/15/2024

Replacement of a good Oxygen Sensor, is a common mistake made by (DIY) mechanics all the time. So, before replacing any Oxygen Sensor, you must find the real problem first. First, the Oxygen Sensor is […]

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 […]

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 – 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 […]

(O2) Oxygen Sensors – Function, Failure Symptoms, And Testing

03/22/2024

EVERY VEHICLE BUILT SINCE THE EARLY 1980’s, HAS ONE OR MORE (O2) OXYGEN SENSORS INTEGRATED INTO THE EXHAUST SYSTEM. So, (O2) oxygen sensors, confirm, that the proper air/fuel ratio, is actually reaching the engine. Consequently, […]

Starter Problems – Funny Sounds, No Sounds, What Do You Hear

02/26/2024

What if your engine is cranking as usual, but refuses to start. You’re likely dealing with an ignition or fuel system issue, not starter problems. If you don’t know anything about starter problems, then it’s […]

Mass Air Flow Sensor (MAF) - Function - Common Failure Signs

Mass Air Flow Sensor (MAF): Measuring Volume, Density, Temperature

02/20/2024

So, almost all newer vehicles on the road today, use a mass air flow sensor. The mass air flow sensor, measures the volume and density, of the air entering the engine. In addition, it also […]

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