diagnostics7 min read
NOx Sensor Fault Symptoms: Why the Cheap Part Is Rarely the Answer
A workshop guide to NOx sensor fault symptoms, what actually triggers them, and why swapping in a cheap part rarely fixes the problem for good.
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Insights
parts
3 articles on this topic, written in the workshop.
parts7 min read
Genuine, OEM or Aftermarket: Which Parts Your Car Actually Needs
OEM vs genuine parts explained by a Cardiff German car specialist: what the labels really mean and when each is the right choice for your car.
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warranty3 min read
Will an independent service void my manufacturer warranty?
The actual legal position on servicing outside the dealer network, what you have to get right for it to hold, and where the genuine exceptions are.
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Tell us the registration and what the car is doing, and you will get a straight answer.
Cardiff and the Vale of Glamorgan. Drop the car at Cardiff Marine Village, Penarth Road.