OBD2 Diagnostics and Fault Codes

7 Fault Code Myths That Cost Car Owners Money (2025)

Over $1 billion annually is wasted on unnecessary repairs due to misunderstood fault codes. Here are the 7 most damaging myths—and what they really cost you.

October 16, 2025

OBD-II Fault Codes Explained: Complete Guide to P0300, P0171, P0420 & More (2025)

Your check engine light just came on. Here's exactly what P0300, P0171, P0420, and other fault codes mean—plus how much it costs to fix each one.

August 14, 2025

P0420 Code: What It Means & How Much It Costs to Fix (2025)

P0420 code means your catalytic converter isn't working efficiently. Learn how to diagnose O2 sensors, exhaust leaks, and repair costs from $400-$2,500.

August 11, 2025

P0171 Code: What It Means & How Much It Costs to Fix (2025)

P0171 gets 31,000 searches monthly. Your engine is running with too much air. Here's what causes it, how to fix it yourself, and what it costs at a shop.

August 8, 2025

8 min

P0300 Code: What It Means & How Much It Costs to Fix (2025)

P0300 misfire code explained. A flashing check engine light means STOP DRIVING. Learn causes, diagnosis, and repair costs.

August 5, 2025

9 min

Alternator Warning Light: What It Means & What to Do

Alternator warning light on? Don't ignore it - learn what ALT light means, 7 common causes, diagnostic steps, and repair costs. Prevent breakdown with complete charging system guide.

June 20, 2025

EVAP Leak: Common Causes & How to Find It (P0442/P0456)

EVAP leak causing check engine light? Learn the 8 most common causes of evaporative emission leaks, how to diagnose them yourself, and repair costs. Complete guide to P0442/P0456 codes.

May 5, 2025

Transmission Slipping: 10 Warning Signs & Repair Costs (2025)

Is your car struggling to change gears or revving high? Discover the 10 most common transmission slipping symptoms and what they'll cost to fix in 2025.

May 1, 2025

OBD2 Live Data: How to Read & Interpret Real-Time Parameters

Unlock the full potential of your car scanner. Learn how to read and interpret OBD2 live data parameters like fuel trims, O2 sensors, and MAF to diagnose car problems faster.

April 15, 2025

14 min

P0171 Code: System Too Lean - Diagnosis & Repair Guide

P0171 code explained: what system too lean means, common causes, repair costs ($50-$800), and when it's safe to drive. Complete 2025 diagnostic guide.

February 20, 2025

What is OBD2? Complete Beginner's Guide to Car Diagnostics

Everything you need to know about OBD2 systems, from basics to modern diagnostics. Learn how OBD-II works, find the port in your car, and discover modern diagnostic solutions like Skanyx AI.

February 10, 2025

8 min

Check Engine Light Codes: Complete Guide to OBD-II Diagnostics

Your check engine light is on. Learn how to read OBD-II codes, what the most common codes mean, and how to diagnose problems yourself. Complete 2025 guide.

February 5, 2025

18 min

Free Car Diagnostic Apps 2025: Skanyx AI vs Competitors

Compare the best free car diagnostic apps in 2025. See how Skanyx AI stacks up against Torque Pro, OBDeleven, and Carly with real features and honest pricing.

January 25, 2025

Fault Codes Explained: Complete OBD-II Code Guide (2025)

Complete guide to OBD-II fault codes. Learn what P0300, P0171, P0420, and other codes mean, how to diagnose them, repair costs, and when to drive safely. Your comprehensive fault code reference.

January 25, 2025

28 min

Best OBD2 Bluetooth Adapters 2025: Why High-Speed Matters

Compare the best OBD2 Bluetooth adapters for 2025. Learn why high-speed communication is critical for AI-powered car diagnostics and predictive maintenance.

January 21, 2025

P0420 Code: Catalyst Efficiency Below Threshold - Causes & Fix Cost

P0420 code explained: what catalyst efficiency below threshold means, common causes, repair costs ($200-$2,500), and when it's safe to drive.

January 20, 2025

OBD-II Fault Codes Explained: Complete Guide to P0300, P0171, P0420 and More (2025)

Complete OBD-II fault codes guide. Learn what P0300, P0171, P0420 and other codes mean, how to diagnose them, repair costs, and when it's safe to drive.

January 15, 2025

Car Diagnostic: What It Is, How It Works & Cost Guide (2025)

Learn what car diagnostic is, how it works, types of diagnostics, and cost breakdown. Compare mechanic (€150) vs DIY with SKANYX (€69/year). Complete 2025 guide.

January 5, 2025

Carly App Review: Is €60/Year Worth It? (Honest Pros & Cons + Alternative)

Honest Carly app review: pros, cons, pricing, and whether it's worth €60/year. Compare features, limitations, and alternatives like SKANYX for AI-powered diagnostics.

January 2, 2025

SKANYX vs OBDeleven vs Carly: Complete 3-Way Comparison (2025)

Complete 3-way comparison: SKANYX vs OBDeleven vs Carly. Compare features, pricing, use cases, and which OBD2 app is best for your needs in 2025.

November 10, 2024

How SKANYX AI Chat Explains Fault Codes Better Than Mechanics

Compare how SKANYX AI Chat explains fault codes vs. mechanics. See side-by-side examples showing how AI makes diagnostics accessible with plain English explanations.

October 15, 2024

OBDeleven for Coding, Carly for Used Cars, SKANYX for AI - Which Do You Need?

Use case guide: OBDeleven for coding, Carly for used cars, SKANYX for AI. When to use each app, which features matter, and how to choose the right one.

October 5, 2024

Best Car Diagnostic Tools 2025: Complete Buyer's Guide (OBD2 vs Professional)

Compare the best car diagnostic tools for 2025. OBD2 scanners, professional scan tools, mobile apps. Find the right tool for your needs and budget.

August 30, 2024

14 min

OBDeleven Review: Is It Worth It? (+ Better Alternative for Most Users)

OBDeleven review: Is it worth it? Honest pros, cons, and pricing analysis. OBDeleven is good for VW/Audi coding, but SKANYX is better for AI diagnostics.

August 25, 2024

Best OBD2 App 2025: Top 7 Reviewed & Compared (SKANYX #1)

Find the best OBD2 app for 2025. Compare top 7 apps: SKANYX (#1 for AI diagnostics), OBDeleven, Torque Pro, Carly, Carista. Features, pricing, which is best.

August 20, 2024

14 min

SKANYX vs OBDeleven: Complete Feature Comparison (2025)

Comparing SKANYX and OBDeleven: features, pricing, diagnostic capabilities, and which AI-powered OBD2 app is better for your needs.

August 15, 2024