Engine Testing

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

01/29/2025

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, […]

Engine Fuel System: Signs of Trouble and What to Check

11/10/2024

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, […]

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

11/01/2024

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, […]

Alternator or Battery Failure: How to Diagnose and Save Money

10/30/2024

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 […]

Engine Power Balance Testing: Total Power Output Of The Engine

09/17/2024

The engine power balance test, can be a great way to pinpoint, a cylinder that is underperforming. Above all, a cylinder that is not working as well as, the other cylinders in the engine. The […]

Crankshaft Position Sensor Being Unplugged

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

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. […]

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 […]

Wet Compression Testing Is A Step Up, From A Regular Test

04/21/2024

AFTER YOU HAVE DONE A BASIC COMPRESSION TEST, THE NEXT STEP IS, WET COMPRESSION TESTING. Above all, an engine needs a good seal between the rings, and the cylinder walls. Also, between the valves, and […]

Idle Air Control Valve (IAC) Mounted on Engine

Idle Air Control Valve (IAC), Function, Failure Symptoms – Testing

03/31/2024

SO, THE IDLE AIR CONTROL VALVE, IS RESPONSIBLE FOR MANAGING THE ENGINES IDLE SPEED. And, that’s what makes the idle air control valve, a major management component of the engine. Because, it decreases or increases […]

(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, […]

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