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.
A diesel in winter: glow plugs, the DPF and the fuel
A diesel has its own winter rules. Here is what is normal and what should not be put off.
5 September 20262 min
When to change spark plugs: signs and readings
Plugs die gradually and the car gets used to it. Here is what the numbers show before you feel anything.
5 September 20262 min
A code that is active, stored or pending
Three words next to the code. They decide whether to go to a garage today or simply keep an eye on it.
5 September 20263 min
How this differs from a dealer scanner
The honest answer: by a lot. Here is what any car gives, what depends on the make, and when only a dealer tool will do.
5 September 20263 min
It stalled while driving: what to do and what to check
The engine dies at speed and the steering and brakes go heavy at once. Safety first, causes second.
5 September 20263 min
The alternator or the battery: telling them apart
The car would not start this morning. Three voltage readings say which one to replace — and they cost nothing.
5 September 20262 min
Overheating: what to do right there on the road
The needle is climbing. The next five minutes decide whether this costs a thermostat or a cylinder head.
5 September 20263 min
The diesel particulate filter: signs, regeneration, codes
The diesel got sluggish, consumption is up, the fan roars when parked. Here is what is happening and how to help.
5 September 20262 min
Failed the emissions test: what to do
Turned away at the test station. Here is what exactly failed and which of it is an evening's work.
5 September 20262 min