Engine Diagnostics & Troubleshooting

Take the guesswork out of auto repair with our expert Engine Diagnostics and Troubleshooting guides. Whether you’re facing a stubborn “Check Engine” light, a mysterious “crank but no start” condition, or an intermittent rough idle, we provide the step-by-step procedures to find the root cause. Our resources cover how to use OBD-II scanners, interpret live data PIDs, and perform manual tests with multimeters and vacuum gauges. Learn to translate complex trouble codes into actionable repairs and master the logic of professional engine diagnostics to save time and money in the garage.

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

08/15/2025

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

Engine Misfire Causes – Taking The First Steps To Diagnose Them

08/08/2025

Trying to find engine misfire causes, can be a little tricky and seem overwhelming to the average person. However, while driving, paying close attention to how your engine is running, can help you narrow down, […]

Engine Stalling Issues – Now You Question Your Vehicle’s Reliability

07/29/2025

So, engine stalling issues can be frustrating, and always seem to happen at the worst possible time. Most often, diagnosing the cause can seem like a complicated job. But, the truth is, that all modern […]

Low Compression Causing Misfires – Is It A Mechanical Malfunction

07/25/2025

First, low compression can be caused by a number of different issues, resulting in a misfire. So, let’s say you have ruled out ignition and fuel delivery, as the cause of the misfire. Then, that […]

Flexplate – What Does It Do ? – What Can Happen If It Fails ?

07/20/2025

In vehicles with automatic transmissions, a metal disc called a flexplate, connects the crankshaft to the torque converter. So, a flexplate, as the name implies, serves as a flex-shock device, between the torque converter and […]

Intermittent Temperature Related Engine Problems, Where To Start

07/11/2025

Diagnosing intermittent temperature related engine problems, can be a challenge. Especially, if they affect driveability. Problems that come and go or only occur under certain driving or operating conditions, can be very difficult to troubleshoot. […]

OBD Engine Codes and (CEL) Lights – Learn How to Read Them

07/02/2025

So, OBD engine codes and (CEL) lights, cannot be fixed by simply resetting them or disconnecting the battery. And, eventually the OBD engine codes and (CEL) lights will come back. But, stay cool, the codes […]

Engine Troubleshooting – Common Problems With Solutions

06/27/2025

Engine troubleshooting, is the most important part of any automotive repair. So, by proper engine troubleshooting, you won’t waste time and money fixing things that don’t need to be fixed. Engine troubleshooting as early as […]

Engine Knocking – Pinging – Rattling Noise – Most Common Causes

06/23/2025

Are you hearing an annoying, engine knocking, pinging or rattling noise, when you accelerate your engine. For instance, knocking, when working hard under load, like driving uphill, passing a slowpoke or towing a trailer. Then, […]

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