engine misfire Archives : Danny's Engineportal

Spark Plug – How Do I Read, the Condition of My Spark Plugs

03/03/2026

Learning how to read the condition of a spark plug, can be a valuable tuning aid. Because, you can determine a great deal about your engine’s, overall operating condition. Usually, just by examining the plugs […]

Engine Misfiring: What can cause it? Tracking Down the Problem

02/23/2026

So an engine misfire isn’t just annoying—it’s a warning sign. Beyond the shaky idle and poor gas mileage, ignoring a misfire can lead to expensive repairs. Consequently, misfires reduce gas mileage and increase emissions, which […]

Intake Manifold Leaks – Causes, Symptoms, Testing and Prevention

01/18/2026

Intake manifold leaks are the most common leaks found in an engine. Consequently, intake manifold leaks are usually the fault of the gasket. That gasket, can be made of paper, rubber, metal, and sometimes a […]

Sticking Valves Because Of Carbon Deposits And Rich Fuel Mixture

12/12/2025

The first sign of sticking valves is usually, engine misfires or running rough when cold. However, sticking valves can also be, the byproduct of cold weather operation. In this case, the sticking valves will often […]

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

11/14/2025

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

10/19/2025

So, performing a cylinder power balance test can help uncover hidden engine problems; which are commonly missed with other tests. This test can find problems related to engine misfires, lack of power, or just a […]

Engine Stalling – Proper Troubleshooting And Maintenance

08/25/2025

Engine stalling problems, can be hard to find and are often, sensor or temperature related. And, are more likely to occur, during cold weather or when starting a cold engine. So, this kind of engine […]

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

08/12/2025

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 […]

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, […]

Ignition Timing – The Spark Plug Has To Fire At The Proper Time

08/04/2025

So, your engine needs proper ignition timing, to ignite the fuel at exactly the right time. But, what happens if the ignition system fires, at the wrong time. As a result, the air fuel mixture, […]