Engine Diagnostics

Vetted

15 Best Laser Infrared Thermometers for Engines in 2026 — Accurate, Reliable, and Easy to Use

Discover the top laser infrared thermometers for engine use in 2026. Find the best overall, value, and beginner options for accurate, non-contact temperature readings.

Alex Parker
September 14, 2026

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Vetted

9 Best Leak Down Tester Kits for 2026

Discover the top leak down tester kits for 2026. Find the best overall, value, and beginner options to diagnose engine issues accurately.

AP Tuning Team
September 9, 2026

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Vetted

14 Best Compression Tester Kits for Accurate Engine Diagnostics in 2026

Discover the top compression tester kits for 2026. Compare features, performance, and value to find the perfect tool for your engine diagnostics.

Alex Parker
July 30, 2026

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Automotive DIY and Professional Guides

Why Compression Tests Still Matter in the Era of Fancy Electronics

Just when you think electronic sensors are enough, compression tests reveal hidden engine issues that could save your engine—discover why they still matter.

AP Tuning Team
July 20, 2026

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Automotive DIY and Professional Guides

The Borescope Trick That Makes Used Engine Inspections Smarter

Unlock the secret borescope technique that elevates used engine inspections—discover how it can transform your approach and reveal hidden issues.

AP Tuning Team
June 9, 2026

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Automotive DIY and Professional Guides

Why Smoke Testing Beats Guessing When Boost Leaks Show Up

Just guessing can cost you time and money—discover why smoke testing is the smarter, more accurate way to find boost leaks.

AP Tuning Team
June 8, 2026

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Performance Tuning

Knock Explained: How Engines ‘Complain’ Before They Break

How engine knocking signals underlying issues that could lead to costly damage if not addressed—discover the causes and solutions before it’s too late.

AP Tuning Team
February 28, 2026

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Porsche Tuning

2 Carrera Tuning: Extracting Turbo Power Without CELs

Introducing key tuning tips to boost your Carrera’s turbo power safely without triggering CELs—discover how to unlock your Porsche’s full potential.

Alex Parker
September 30, 2025

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Chevrolet Tuning

Diagnosing and Fixing LS Engine Knock Sensor False Alarms

Guided troubleshooting of LS engine knock sensor false alarms reveals essential tips to identify underlying issues and restore optimal engine performance.