車載燃費計の表示を確認する車内の様子。燃費比較と満タン法の解説
Power Module 660

Why does the car's fuel economy gauge differ from the "fill-up" method? 5 steps to accurately compare fuel efficiency

Why does the car’s fuel economy display differ from the "fill-up method"? We explain the reasons by categorizing reset points, driving conditions, and refueling errors, outline five steps for accur...
エンジンルーム内の自動車用鉛バッテリー
バッテリー

What is battery replenisher? Differences from purified water and what you can and cannot use

Automotive lead-acid battery replenishing fluid is essentially purified water. This guide outlines why you should not add dilute sulfuric acid or tap water, how to check the fluid level, and the di...
自動車のバッテリー周辺の配線と電装部品
サルフェーション

What is Battery Sulfation? An Easy-to-Understand Guide to Causes, Symptoms, and Prevention

Sulfation is a condition where lead sulfate produced during discharge crystallizes, making it difficult for the battery to undergo a charging reaction. We will explain its relationship with short-d...
車のエンジンルーム内のバッテリーと整備工具。写真:JS Leng/Pexels
CCA

How long does a car battery last? Symptoms, voltage, and CCA to check before replacement

The average lifespan of a car battery is roughly 2 to 3 years. However, you cannot judge it solely by age or voltage. Here, I will break down how to assess its starting performance, voltage, CCA, f...
山道を走る白いセダン。車が重く感じる原因と確認順を解説する記事のアイキャッチ画像
ORBITRON

Why does my car feel heavy lately? Causes of dull acceleration, handling, and ride comfort, and the order of checks

Here, we will organize the reasons why your car may feel sluggish into eight categories: tires, brakes, load conditions, fluids, electrical system, and suspension. We will prioritize abnormalities ...
車内からまっすぐ続く道路とステアリングを見た直進安定性の記事イメージ
LANDMASTERコラム再編集

Why Won't My Car Go Straight? Tire and Suspension Inspection Order to Improve Straight-Line Stability

If your car isn't driving straight, the steering wheel is pulling, or it's swaying, we'll outline the order in which to check tire pressure, uneven wear, wheel balance, alignment, and suspension, t...