piston rings : Danny's Engineportal

Worn Piston Rings Signs: A Guide to Blow-by and Installation

02/19/2026

What are the First Signs of Worn Piston Rings? The most common indicator of internal engine wear is engine blow-by. This occurs when the seal between the piston and the cylinder wall fails. If you […]

Engine Compression – What Can Cause, Low Or No Compression

12/28/2025

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

12/02/2025

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

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 […]