Blog
Fault codes, sensors and the tricks of diagnostics: what the codes mean, where to start checking and why a cheap adapter sometimes lets you down.
Hybrids and EVs: what an ordinary scanner will show
The same socket, but less data than people expect. Honestly: what reads, what does not, and why the battery's health is not checked this way.
5 September 20263 min
Diagnosing a diesel: how it differs from petrol
A diesel has its own codes, its own live data and its own order of checks. Half the familiar petrol habits simply do not apply.
5 September 20264 min
Fault codes after an LPG conversion: what they mean
Fitted LPG and the light came on. Usually the engine is not broken — the two systems are not agreeing. Which codes are expected and which are not.
5 September 20264 min
Selling a car: what a buyer will see with a scanner
The buyer will turn up with a cheap adapter. Better to know in advance what they will see — and why clearing codes before a sale is pointless.
5 September 20264 min
A fault that only appears in frost or in rain
A fault that comes with the weather is not a mystery but a hint. It names the place to look.
5 September 20264 min
The fault came back after the repair: why, and what to do
The part was replaced, the code cleared, and a week later the light is on again. Five causes in order of frequency, and how to tell them apart.
5 September 20264 min
P0335: the crankshaft sensor that stalls the car
A code that can stall the engine on the move and refuse to start a minute later. Where to begin, and why the part is not first.
5 September 20264 min
Why a scanner does not show ABS, airbag and gearbox faults
The ABS light is on, and the app says «no faults». The tool is not broken — it is looking elsewhere, and here is why.
5 September 20267 min
What the letters and digits in a fault code mean
P0171, C0035, U0100 — five characters, and each says something. Once you can read them, an unfamiliar code makes sense without a reference.
5 September 20264 min