Tag
#cooling system
3 posts in Car Diagnostics blog about "cooling system" — OBD-II diagnostics, DTC codes, repair. ← All posts
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Engine overheating: what to do in the first two minutes, and why the gauge lies
Overheating is one of the few cases where stopping correctly matters more than diagnosing correctly. The action sequence, six causes, and why the dashboard needle should not be trusted.
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Heater blowing cold: seven causes in order of cost — from free to expensive
In winter this is not a comfort question but a visibility one — a fogged, iced windscreen. The causes in ascending order of cost, and a ten-minute check through live data.
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Coolant Leak Diagnosis: OBD-II Detection Before Overheating
How to detect coolant leaks through OBD-II: P0128 thermostat, P0116 ECT sensor, P0217 overheat — step-by-step diagnosis and causes. Catch it before engine damage.