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Engine Testing

Engine Testing, comes in handy when trying to find out why, and how a part may have failed.

Now, computerized vehicle components, can detect problems, long before they cause a breakdown. Diagnostic tools, can also check a vehicle’s computer system.

There are four major engine systems necessary to keep an internal combustion engine running. They are the ignition system, the lubrication system, the fuel system and compression. And, there is a test for all of them.

So, engine testing is fairly easy to to, if you have the right tools. And, can easily tell you the general health of your engine.

Some of the most common tests include:

  • Compression Test
  • Cylinder Leak Down Test
  • Power Balance Test
  • Vacuum Test
Crankshaft - Camshaft Position Sensor - Testing The Easy Way
Engine Testing

Crankshaft – Camshaft Position Sensor – Testing The Easy Way

02/19/2024

When a Crankshaft – Camshaft Position Sensor goes BAD, your vehicle will not start. Distributorless Ignition Systems (DIS) require a Crankshaft Position Sensor (CKP), and sometimes a Camshaft Position Sensor (CMP). So, the main difference […]

Bubble Test - Used In Conjunction, With A Cylinder Leak Down Test
Engine Testing

Bubble Test – Used In Conjunction, With A Cylinder Leak Down Test

02/06/2024

So, to determine the health of a head gasket, between two cylinders, try doing a bubble test. If you believe you have a leak, but just cannot find it, doing a bubble test may be […]

Automatic Shutdown (ASD) Relay - Function - Failure - Testing
Electrical System

Automatic Shutdown (ASD) Relay – Function – Failure – Testing

01/22/2024

The function of the automatic shutdown (ASD) relay, is to shut off power to major systems. When the key is turned off, as a safety feature. So, when the automatic shutdown (ASD) relay is on. […]

Crankshaft Position Sensors - Function, Failure, Diagnosis, Testing
Engine Testing

Crankshaft Position Sensors – Function, Failure, Diagnosis, Testing

01/18/2024

Crankshaft position sensors, produce a signal, that talks to the engine control module (ECM) / engine control unit (ECU). Consequently, providing the exact position of the crankshaft, as it rotates in the engine. So, now […]

Cylinder Leak Down Test - What Are The Results Telling You
Engine Testing

Cylinder Leak Down Test – What Are The Results Telling You

01/16/2024

Doing a cylinder leak down test, especially in conjunction with a compression test. Should allow you to quickly determine, the basic condition of any engine. So, a compression test is a “dynamic test” (engine moving). […]

Vacuum Leak Detection - The Safe Way To Find Vacuum Leaks
Engine Testing

Vacuum Leak Detection – The Safe Way To Find Vacuum Leaks

12/31/2023

A Vacuum leak can trick you, and your car computer into believing a particular sensor, or system needs fixing. Then, you start replacing components, hoping you’ll fix the problem, unsuccessfully. Often, a vacuum leak makes […]

Using A Vacuum Gauge, To Test The Condition Of Your Engine
Engine Testing

Using A Vacuum Gauge, To Test The Condition Of Your Engine

12/21/2023

So, have you ever thought about using a vacuum gauge, to check the condition of your engine. Consequently, this is similar to doing a cylinder leak down test, but in a much easier way. Vacuum […]

Engine Coolant Antifreeze - Engine Cooling And Testing Made Easy
Car Fluids

Engine Coolant Antifreeze – Engine Cooling And Testing Made Easy

12/03/2023

The job of engine coolant antifreeze, is to protect the engine, from severe temperature and corrosion. Always flush and replace your engine coolant antifreeze, at recommended intervals. Otherwise, it will break down and not perform […]

Engine Compression - What Can Cause, Low Or No Compression
Engine Problems

Engine Compression – What Can Cause, Low Or No Compression

11/16/2023

So, Engine Compression is the pressure created, inside each of the engine’s cylinders. And, low or no compression leads to, incomplete combustion and misfires. Symptoms of low engine compression can be, an illuminated (CEL), and […]

How To Do A Cylinder Leak Down Test - With Or Without A Tester
Engine Testing

How To Do A Cylinder Leak Down Test – With Or Without A Tester

11/08/2023

Doing a cylinder leak down test, can tell you more about your engine than you think. Also, a cylinder leak down test, can pin point issues in specific areas, that other tests can not. So, […]

Vacuum Leaks - How To Quickly Find Vacuum Leaks ( Not The Safest )
Engine Testing

Vacuum Leaks – How To Quickly Find Them In 5 Easy Steps

11/04/2023

Vacuum leaks in today’s computer controlled engines, can cause very serious engine damage. When an engine that has computer controlled spark and fuel systems, have vacuum leaks, the following events occur. Because, these leaks pull […]

Cylinder Power Balance Testing - Uncover Hidden Engine Issues
Engine Testing

Cylinder Power Balance Testing – Uncover Hidden Engine Issues

10/26/2023

So, performing a cylinder power balance test can help uncover, hidden engine issues, commonly missed with other tests. Cylinder power balance testing, can find issues related to, engine misfires, lack of power, or just a […]

Catalytic Converter - Failure Signs And Testing - Learn The Basics
Emission Control Systems

Catalytic Converter – Failure Signs And Testing – Learn The Basics

10/17/2023

So, a catalytic converter, is a device used to reduce the emissions, from an internal combustion engine. Consequently, the catalytic converter works, by breaking down unburned gases, left over by the combustion process. But, requires […]

Vacuum Test Basics - What To Check And How To Do It
Engine Testing

Vacuum Test Basics – What To Check And How To Do It

10/03/2023

First, doing a vacuum test, can tell you more about your engine, than you think. Because, it is one of the easiest and least expensive ways, to check an engine for serious issues. So, engine […]

Fuel Pump Relay - Function - Failure - Testing Procedures
Electrical System

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
Emission Control Systems

(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, […]

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