Blog

MotoPPI blog

Guides, analyses and checklists for people who buy or sell used cars.

How to drive a roundabout: yielding, lanes, and exiting
5 min read

How to drive a roundabout: yielding, lanes, and exiting

Roundabouts confuse a lot of US drivers. Learn how to drive a roundabout: who yields, which lane to use, how to exit, and the simple rules that prevent crashes.

Car light bulbs: choosing H7, H4, LED, replacing, legality
5 min read

Car light bulbs: choosing H7, H4, LED, replacing, legality

Car light bulb guide: how to choose H7, H4, and LED bulbs, how to replace a headlight bulb, whether LED upgrades are legal, and checking lights on a used car.

Power steering: fluid, symptoms of failure, and the warning light
5 min read

Power steering: fluid, symptoms of failure, and the warning light

Heavy steering, whining, or a power steering warning light? Here are the symptoms of power steering failure, fluid basics, repair costs in USD, and used-car checks.

Used Jeep Wrangler (2012-2024): what to check before buying
7 min read

Used Jeep Wrangler (2012-2024): what to check before buying

Used Jeep Wrangler buyer's guide: the 3.6 Pentastar, death wobble, off-road abuse, strong resale, real US prices and a full VIN checklist for buyers.

Used Honda CR-V (2012-2024): what to check before buying
7 min read

Used Honda CR-V (2012-2024): what to check before buying

Used Honda CR-V buyer's guide: the major 1.5T oil dilution issue, CVT concerns, AWD checks, real price ranges and a full VIN checklist for a smart purchase.

Best OBD2 scanner: which one to buy on a budget
4 min read

Best OBD2 scanner: which one to buy on a budget

Looking for the best OBD2 scanner without overspending? Here are the top budget picks in the US, what each tier does, and which one is right for you.

Engine oil guide: which grade, intervals, and low-oil symptoms
5 min read

Engine oil guide: which grade, intervals, and low-oil symptoms

Engine oil guide: what 5W-30 and other grades mean, oil change intervals, synthetic vs conventional, low-oil warning symptoms, and what to check on a used car.

How to inspect a used car before buying: full 2026 checklist
9 min read

How to inspect a used car before buying: full 2026 checklist

What to actually check in a used car, paint, engine, undercarriage, documents, VIN. A practical step-by-step checklist from my experience with 100+ inspections.

OBD2 scanner: which to choose for car inspections (2026)
8 min read

OBD2 scanner: which to choose for car inspections (2026)

What to actually buy: ELM327, Vgate, Launch X431. Which apps (Car Scanner, Torque) and how to read error codes. From my experience, what's really needed vs marketing.

Paint thickness gauge: which to buy in 2026, how to use it
8 min read

Paint thickness gauge: which to buy in 2026, how to use it

Practical guide to paint thickness gauges: specific models €50-400, how to spot fakes, how to read results, what they don't detect. From my experience with 100+ inspections.

Buying a US salvage auction car: how to spot one and is it worth it
7 min read

Buying a US salvage auction car: how to spot one and is it worth it

60% of cars 'imported from the USA' come from Copart and IAAI salvage auctions. How to spot them before purchase, what to watch out for, when it makes sense, and when to walk away.

First 10 clients as a car inspector: where to find them
6 min read

First 10 clients as a car inspector: where to find them

How to get your first inspection clients with zero ad budget. Facebook groups, classifieds, Google Business, dealer partnerships, a practical plan.

How to start earning €700-1,200/month as a car inspector: starter guide
6 min read

How to start earning €700-1,200/month as a car inspector: starter guide

Pre-purchase car inspections are a real side income niche. Here's a step-by-step plan: what to do in week 1, month 1, month 3. Real numbers, no passive income BS.

Car inspector tool kit under €120: what to buy at the start
6 min read

Car inspector tool kit under €120: what to buy at the start

Concrete list of tools for car inspections: paint thickness gauge, OBD scanner, flashlight, neodymium magnet. What to buy, where to buy, what it costs. Plus: what NOT to buy.

Car inspection pricing: what to charge and how to handle payments
5 min read

Car inspection pricing: what to charge and how to handle payments

What rate can you charge for a car inspection? When to raise prices? Cash, instant transfer, invoice, or self-employed business? A concrete guide to pricing and billing.

Best used cars under $10,000: reliable picks that go the distance
5 min read

Best used cars under $10,000: reliable picks that go the distance

Looking for the best used cars under $10,000? Here are the most reliable picks in the US, what to check on each, and how to avoid a money pit on a budget.

Used Toyota RAV4 (2013-2024): what to check before buying
7 min read

Used Toyota RAV4 (2013-2024): what to check before buying

Used Toyota RAV4 buyer's guide: the 2.5 engine, AWD system checks, hybrid battery health, real price ranges and a full VIN checklist for a smart purchase.

Is a PPI Worth It? What It Costs vs What a Bad Buy Costs You
6 min read

Is a PPI Worth It? What It Costs vs What a Bad Buy Costs You

Is a pre-purchase inspection worth it? A PPI costs $10 to $250, but a salvage title, rolled-back odometer or blown transmission can cost you $5,000 or more. The math.

Towing a trailer: capacity, hitch, and safe towing rules
5 min read

Towing a trailer: capacity, hitch, and safe towing rules

How to tow a trailer safely: understanding towing capacity, hitch classes, tongue weight, safe towing speed, and what to check before you hook up.

Used Toyota Highlander (2014-2024): what to check
6 min read

Used Toyota Highlander (2014-2024): what to check

Used Toyota Highlander buyer's guide: the 3.5 V6, hybrid, AWD checks, common issues, real US price ranges and a full VIN checklist for buyers.

Tires: when to replace, tread depth, and reading the DOT date
4 min read

Tires: when to replace, tread depth, and reading the DOT date

When to replace tires: tread depth limits, the penny test, how to read the DOT date code, all-season vs winter, and what to check on a used car's tires. USD costs.

Car wrapping: cost, types, and pros and cons vs a paint job
4 min read

Car wrapping: cost, types, and pros and cons vs a paint job

Car wrapping guide: what a vinyl wrap costs, the types available, how long it lasts, and the pros and cons of wrapping vs a paint job on a used car.

Cooling system: overheating, air in the system, symptoms and fix
5 min read

Cooling system: overheating, air in the system, symptoms and fix

Overheating engine or air in the cooling system? Here are the symptoms, causes, repair costs in USD, and how to bleed an air lock, plus what to check when buying used.

How to wire a car stereo: harness, memory wire, install basics
4 min read

How to wire a car stereo: harness, memory wire, install basics

Wiring a car stereo is easier with a harness adapter. Learn the wire colors, the constant vs switched power difference, install basics, and what to check used.