Guides
Year-Round Car Maintenance: Complete Seasonal Guide
Seasonal car maintenance organized by system - battery, cooling, tires, brakes, fluids. What to check and when, so nothing gets missed.
November 15, 2025
14 min
Expert insights on vehicle diagnostics, AI technology, and automotive care
Our content is organized into topics to help you find comprehensive guides on specific subjects. Each topic contains a pillar page and related posts.
Fault codes, diagnostic guides, and troubleshooting
Seasonal care, health monitoring, preventive maintenance
Used car buying, inspection, fraud detection
AI-powered failure prediction and smart diagnostics
Seasonal car maintenance organized by system - battery, cooling, tires, brakes, fluids. What to check and when, so nothing gets missed.
BMW fault codes explained by engine family. VANOS, HPFP, turbo, oil leak, and DME codes for N52, N54, N55 with EU repair costs and diagnostic tool options.
Your OBD-II scanner works great on petrol cars, then you plug it into an EV and get almost nothing. Here's what actually works.
Learn which car repairs you can safely DIY, which ones will cost you more if you try, and what EU shops actually charge.
Odometer fraud costs EU buyers billions annually. Learn how to detect mileage rollback using physical evidence, OBD2 scans, and vehicle history checks before you buy.
ECU coding, programming, and tuning explained for EU car owners. Legal risks, warranty impact, insurance, costs, and what happens when things go wrong.
Master OBD2 live data analysis. Learn fuel trim patterns, O2 sensor waveforms, misfire counters, and diagnostic techniques that find the real problem.
Complete used car inspection checklist. Readiness monitors, pending codes, live data, physical checks, and how to negotiate with documented findings. EU buyer protection included.
P0300 random misfire explained. Flashing check engine light? Stop driving. Causes, diagnosis order, and repair costs in euros.
EVAP leak causing a check engine light? P0442, P0455, P0456 explained. Start with the gas cap. Causes, diagnosis, and repair costs in euros.
Clean your MAF sensor in 15 minutes for under €10. Step-by-step guide with OBD2 verification to fix hesitation, rough idle, and poor fuel economy.
Learn how to read and interpret OBD2 live data parameters like fuel trims, O2 sensors, and MAF to diagnose car problems faster.
BimmerCode, ISTA, Carly, or Foxwell? Comparing what actually works on BMWs, from feature coding to dealer-level diagnostics, plus which adapter you need.
Professional-grade diagnostic scanners for 2025. Autel, Launch, Snap-on, Topdon, Foxwell compared with real prices, annual subscription costs, and 5-year TCO for working shops.
Systematic checklist for diagnosing a car that won't start. Covers battery, starter, alternator, fuel system, sensors, and immobiliser issues with OBD2 diagnostics throughout.
P0171 explained: what system too lean means, the most common causes in order, how to diagnose with fuel trims, repair costs (€50 to €800), and when it's safe to drive.
Practical guide to Tesla touchscreen alerts, error codes, common issues, diagnostic tools, and when to schedule service.
Learn how OBD2 works, find the port in your car, understand diagnostic trouble codes, know which problems you can fix yourself, and when to see a mechanic.
P0420 explained: what catalyst efficiency below threshold means, why it's not always the converter, diagnostic steps, repair costs (€150 to €2,500+), and when it's safe to keep driving.
The 15 most common car problems explained: symptoms, diagnostic steps, DIY vs mechanic guidance, and cost estimates in EUR.
Honest Carly app review: coding features, pricing breakdown (adapter + subscription), BMW/Mercedes support, and how it compares to OBDeleven, BimmerCode, and Skanyx.
A curated gift guide for car people, by car people. 18 picks across every budget, from stocking stuffers to premium tools they'll use for years.
Your check engine light is on. Learn what solid vs flashing means, the most common codes, how to diagnose them, and what repairs typically cost.
Ford F-150 diagnostic codes explained by engine. EcoBoost cam phasers, turbo underboost, 5.4L Triton spark plug issues, 5.0L Coyote reliability, 10R80 transmission, and 4WD IWE problems.
Compare the best car diagnostic tools for 2026. OBD2 scanners, apps, professional scan tools. Find the right tool for your needs and budget.
Honest OBDeleven review: VW Group coding features, updated 2026 pricing, and comparison with VCDS, Carly, BimmerCode, and Skanyx.
Best OBD2 apps for 2026: Torque Pro, OBDeleven, Carly, Skanyx, BlueDriver, Carista, and more compared. What each one does well and which fits you.
