Proficient Auto — Car Care with a Conscience
Auto care resources

Honest guides from the people doing the work.

Practical articles on pre-purchase inspections, diagnostics, repairs, and maintenance — written by mobile mechanics in Raleigh who fix these cars every day. No fluff, no spin, no upsell.

Buying a Used Car

1 article
Mobile mechanic in a navy work shirt inspecting a used car with the hood open in a suburban driveway
Buying a Used Car

Why a Pre-Purchase Inspection Is Worth It on a Used Car

What a real PPI covers, what Carfax and dealer inspections miss, and the three outcomes that make a mobile pre-purchase inspection the smartest spend before you buy.

March 2024 9 min read
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Repairs & Diagnostics

2 articles
Technician plugging an OBD-II scanner into a car's diagnostic port to read check engine light codes
Repairs & Diagnostics

What Your Check Engine Light Is Really Telling You

Steady vs. flashing, what a scan tool actually reads, and when a check engine light needs same-day attention.

October 2025 9 min read
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Mobile mechanic holding a new brake pad next to a worn brake rotor during a driveway brake inspection
Repairs & Diagnostics

Brake Pads vs. Rotors: When You Actually Need to Replace Each

How we measure pads and rotors during a brake inspection, and why we replace rotors instead of resurfacing them.

September 2025 8 min read
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Maintenance

1 article
Driver pulling the engine oil dipstick to check oil level in a clean engine bay at sunrise
Maintenance

5 Simple Monthly Checks That Save You From Big Repair Bills

Five things any driver can check in a driveway in under ten minutes — oil, tires, lights, fluids, and belts.

November 2025 8 min read
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