#corrosion
9 posts in Car Diagnostics blog about "corrosion" — OBD-II diagnostics, DTC codes, repair. ← All posts
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Car covers and outdoor parking: when they protect and when they harm
A cover looks like obvious protection, but with wind and dust it works as an abrasive. When it is justified.
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A damp carpet and strange faults: the link people miss
Control modules live under seats and in sills. How moisture turns into codes in systems nobody touched.
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Stone chips: why they get fixed now rather than in spring
A chip is exposed metal. How it turns into rust, what to do yourself, and where DIY ends.
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Sunroofs: the drains that block and the water that arrives elsewhere
A sunroof is not sealed by design — water leaves through tubes. What happens when they block and how to maintain them.
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An imported car: what to check beyond the usual inspection
An imported car needs the same checks plus a few specific ones. What to look at in a car brought from abroad.
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Road salt and corrosion protection: winter work that saves spring bills
Salt works all winter and the result shows a year later. What genuinely protects, and when washing does harm.
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Rust underneath: where to look and what is already too late
Corrosion starts where you cannot see it. The usual places, the difference between surface and perforating rust, and what actually helps.
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Water in the cabin: where it comes from and why the electronics are at risk
A wet carpet is not a comfort issue but a threat to the modules under the seats. The usual water paths and how to trace them.
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What to check after winter: seven things salt and frost damaged
Winter does not break a car immediately — it leaves damage that surfaces in spring and summer. What suffered over the season, and what is cheaper to find in March than in July.