Fault codes

The «emission controls» heading held 41 codes: the catalyst, exhaust gas recirculation, the charcoal canister, the fuel level and the particulate filt

The «fuel and air» section held 62 codes: oxygen sensors, throttle, accelerator pedal and mixture — four different conversations in one list. Each now

Until today the reference sections existed only for engine codes. Forty-nine codes — every U, C and B — belonged to none: they were in the reference,

A week ago 169 of the 298 code pages ended with a description and nothing else — nowhere to go. Today not one is left.

It turned out that some codes already had a walkthrough written — there was simply no link to it from the code page. Plus three new articles. Dead end

Another 20 codes stopped being dead ends. Code pages with nowhere to go after the description: 55 left out of 298 — it was 169 two rounds ago.

Another 28 codes stopped being dead ends. Code pages with nowhere to go after the description: 75 left out of 298.

Three new walkthroughs cover oil pressure, the fan relay and charging. Codes whose page used to end in nothing: 103 instead of 123.

The two largest blank spots in the reference are closed: 46 codes that had neither an article nor a guide now lead to a walkthrough.

Some codes used to carry a single line of definition. Now every one says what to check first, and why the part is not the first move.

27 codes that used to carry a single line of definition. Most of the new text went where the name frightens people most.

Thirty-nine new write-ups in two batches: sensor circuits, coils, injectors, the fuel pump, boost. In the app and on the site alike.