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Engine Testing

Fuel Pump Relay - Function - Failure - Testing Procedures
Automotive Relays

Fuel Pump Relay – Function – Failure – Testing Procedures

07/17/2023

So, the fuel pump relay, is activated, whenever the ignition is turned on. Consequently, the primary function of the fuel pump relay, is to maintain a steady voltage supply, to the fuel pump. Therefore, when switched on, […]

(O2) Oxygen Sensor - Function - Failure Symptoms - With Testing
Car Sensors

(O2) Oxygen Sensor – Function – Failure Symptoms – With Testing

04/28/2023

The, (O2) Oxygen Sensor, measures the difference, between the amount of oxygen in the exhaust gas. And, the amount of oxygen in air. So, with that information and other sources, the (ECU) can decide, whether […]

Automotive Engine Valves - Function - Failure - And, Testing
Engine Testing

Automotive Engine Valves – Function – Failure – And, Testing

04/16/2023

The main function, of automotive engine valves, is to let air in and out of the cylinders. Above all, the valves in your cylinder head, are a vital part of your engine and undergo, enormous […]

Engine Cooling Fan - Is Your Cooling Fan Working - How To Test It
Cooling Heating

Engine Cooling Fan – Is Your Cooling Fan Working – How To Test It

04/04/2023

Your engine cooling fan, only runs when needed, to help cool the engine. So, a engine cooling fan, relay or control circuit failure is bad news. Because, it can allow the engine to overheat. But, […]

Compression Test - How To Do It, Dry Or Wet - Review The Results
Engine Testing

Compression Test – How To Do It, Dry Or Wet – Review The Results

03/15/2023

Doing a compression test, is a good way to measure the condition of, the rings, cylinders, and valves. So, if your engine is running rough or is lacking power, consider doing a compression test. Also, […]

Noid Light - Tests For An Electrical Signal, At The Fuel Injector
Automotive Fuel Injector

Noid Light – Tests For An Electrical Signal, At The Fuel Injector

03/11/2023

Learning how to test fuel injectors, using a noid light, is easier than you think. Noid lights, provide a quick and easy method for detecting, if there’s an electrical signal, at the fuel injector. So, […]

Compression Leak Between Cylinders - No Coolant Or Oil Leaks
Automotive Leaks

Compression Leak Between Cylinders – No Coolant Or Oil Leaks

03/08/2023

So, having a compression leak between cylinders, can allow the compression, to leak from one cylinder to the next. This causes a loss of compression, and sometimes, allows exhaust gasses, back into the intake, depending […]

Running ( Dynamic ) Compression Test - How To Do It And Why
Engine Testing

Running Dynamic Compression Test – How To Do It And Why

03/03/2023

Firstly, a running dynamic compression test, confirms how effective each cylinder is, at pulling air in. Secondly, holding it for the correct amount of time, then letting it go, into the exhaust. So, if a […]

Throttle Position Sensor (TPS) - Function - Failure - Testing
Car Sensors

Throttle Position Sensor (TPS) – Function – Failure Signs – Testing

01/26/2023

So, the throttle position sensors function (TPS), is to supply vital information to the vehicles, engine control unit (ECU). Most importantly, this information is based on, the actual position of the engines throttle valve. So, […]

Valves And Piston Rings Function - Failure Warning Signs - Testing
Engine Bottom End

Valves And Piston Rings Function – Failure Warning Signs – Testing

01/20/2023

Valves and piston rings, are crucial for your engine to function properly. Aside from your head gasket, these are the parts that are responsible for, sealing the combustion chamber. Most of the time, valves and […]

Engine Fuel System - Proper Testing Procedures With Solutions
Engine Testing

Engine Fuel System – Proper Testing Procedures With Solutions

01/17/2023

So, the engine fuel systems job, sounds pretty basic. It delivers fuel from the fuel tank, to the engine. Testing the engine fuel system, is relatively simple. Engine fuel system consists of, the filler hose, […]

Alternator Or Battery Failure - Failure Symptoms With Testing
Car Charging System

Alternator Or Battery Failure – Failure Symptoms With Testing

01/10/2023

Having a alternator or battery failure is bad new, because they are both components of the charging system. That makes diagnosing a alternator or battery failure, a bit tricky. Because, the electrical power in your […]

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Engine Oil Pressure Low - Common Causes And Ways To Fix It
In the Spotlight

Engine Oil Pressure Low – Common Causes And Ways To Fix It

by Danny Bender in Lubrication

The first sign of trouble, may be a flickering oil light or a low engine oil pressure reading. Consequently, low engine performance, engine noise and even poor starting, can all be caused by, low engine [...]

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