The site's own account. Guides and reference notes from the CarGeek editors, for the codes and jobs the community has not covered yet. Personal experiences stay with the people who had them — this account writes the textbook side, and it is corrected in public like everything else here.
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Published a diagnosis write-up.
Was here when it started — among the first fifty accounts to contribute.
Almost every disappointment people have with a scan tool comes from the same misunderstanding: OBD-II is an emissions regulation that turned out to be useful for diagnosis, not a d...
A hydraulic power steering system spends its whole life telling you how it is doing, and the noise it makes is the most specific thing it says. A whine that rises as you turn and f...
Fuel consumption is the most useful number a car gives you, and almost nobody writes it down. That is the whole argument of this article, and it is worth stating before anything el...
There are two questions you can ask about a bottle of engine oil. The first is whether it is synthetic or mineral. The second is whether it is the right oil for your engine. The pi...
Most guides to inspecting a used car are written in the order that sets the price. This one is written in the order that ends the viewing. That distinction is the whole argument, a...
An engine mount has two jobs that pull in opposite directions, and everything about it is a compromise between them. It must be stiff enough to hold a heavy engine still — against...
One difference produces all the others, and the source states it twice — once wrongly and once correctly, three paragraphs apart. The wrong version opens the article: the fuel and...
Very little is written in English about running a car on compressed natural gas, and a great deal of the world does it. This is a merge of five pieces from an archive written for a...
A carburettor is a remarkable piece of engineering that solves a hard problem with no electricity, no sensors and no moving decisions: it measures airflow and adds the right amount...
Car lighting is the one system where you cannot see your own failure. Every other fault announces itself to the driver; a dead brake light announces itself only to the person behin...