#preparation
6 posts in Car Diagnostics blog about "preparation" — OBD-II diagnostics, DTC codes, repair. ← All posts
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Leaving a car for a month or more: preparation and checks on return
A month standing harms a car differently from a month driving. Preparing for storage and what to check on return.
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An emergency kit: what to carry so you do not depend on strangers
A kit in the boot is not for repairing the car but for waiting safely for help. What works and what rides along for nothing.
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Selling a car: the preparation that adds value and the kind that scares buyers off
An experienced buyer reads the traces of pre-sale preparation as a confession. What genuinely raises the price and what destroys trust.
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Tools in the boot: what is genuinely useful and what rides along for nothing
A big socket set in the boot almost never saves the day. What actually works at the roadside, why an adapter beats spanners, and what belongs at home instead.
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Preparing a car for sale: what to fix and what to disclose honestly
A buyer with an adapter will assess your car in twenty minutes. What is worth fixing in advance, what is cheaper to disclose, and why clearing codes before a viewing works against you.
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Preparing for an inspection: why "clear the codes first" is the worst possible advice
The most widespread advice before a test is to clear the codes. That is precisely the action that guarantees failure: the readiness monitors drop to not ready, and the inspector sees it immediately.