
Gap & Tools
Gapping tips and essential tools for plugs.
40 articles

Subaru Spark Plug Tool Guide: Choosing, Using, and Caring for Your Engine

Spark Plug Gap: Set and Verify Correct Gap

How to Use the Autozone Spark Plug Gap Tool: A DIY Guide
Learn to use the Autozone spark plug gap tool for precise gaps. Step-by-step, safety tips, and maintenance guidance for DIY spark plug service.

Side Gapping Spark Plugs: A DIY Guide for Accurate Gap Adjustment

How to Gap an Iridium Spark Plug: A DIY Guide

Feeler Gauge Spark Plug: Check and Set Gap Correctly
Learn how to use a feeler gauge to verify spark plug gaps, interpret readings, and adjust or replace plugs for reliable ignition. This educational guide walks you through safe, DIY-friendly steps with practical tips, tools, and maintenance best practices.

Spark Plug Gap: What It Is and How to Check in 2026

Subaru Spark Plug Tool Guide: Choosing, Using, and Caring for Your Engine

Spark Plug Gap: Set and Verify Correct Gap
Learn spark plug gap basics, measurement methods, and safe adjustment tips for DIYers. Improve ignition and engine performance with correct gap practices.

How to Use the Autozone Spark Plug Gap Tool: A DIY Guide

Side Gapping Spark Plugs: A DIY Guide for Accurate Gap Adjustment

How to Gap an Iridium Spark Plug: A DIY Guide
Learn how to check and adjust the gap on iridium spark plugs with a safe, step-by-step approach. This guide covers when gapping is necessary, required tools, and best practices for a reliable ignition system. MultiPlugging's experts share practical tips.


