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A check engine light or malfunction indicator lamp (MIL), is a tell-tale that a computerized engine-management system uses to indicate a malfunction or problem with the vehicle ranging from minor (such as a loose gas cap) to serious (worn spark plugs, engine problems or a faulty oil valve, etc.).
The first byte (A) contains two pieces of information. Bit A7 (MSB of byte A) indicates whether or not the MIL (malfunction indicator light, aka. check engine light) is illuminated. Bits A6 through A0 represent the number of diagnostic trouble codes currently flagged in the ECU.
This is the second Lamborghini engine developed by AUDI AG, who became owners of Automobili Lamborghini S.p.A. following the takeover of Lamborghini by the German Volkswagen Group. It is a development of Audi's fundamentally identical 5.2 V10 40v FSI engine as used in the Audi C6 S6 and Audi D3 S8. This variant has been de-tuned for the Audi R8 ...
OBD-II Diagnostic Trouble Codes are 4-digit, preceded by a letter: P for powertrain (engine and transmission), B for body, C for chassis, and U for network. OBD-II diagnostic connector [ edit ]
This Audi engine is an entirely redeveloped and bored-out evolution of the superseded 4.0 V8 TDI CR, now with 90 mm (3.54 in) cylinder spacing between bore centres, and again with roller chain drive for the overhead camshafts and ancillaries. Just like its 4.0 V8 TDI predecessor, this all-new 4.2 V8 TDI retains the mantle of the world's highest ...
This engine started as a straight-five-cylinder Audi diesel in 1989 (itself derived from the EA827 series), but got reduced to an inline-four-cylinder for Volkswagens use. It is related (through several evolutions of engine families) to the EA827 series, indirect-injection diesels, 16 valves , and five-cylinder gasoline engines .
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A Digifant II DF-1 Engine Control Unit used in '91 Volkswagen Golf Cabriolet with 2E engine. Digifant is an Engine Management System operated by an Engine Control Unit that actuates outputs, such as fuel injection and ignition systems, using information derived from sensor inputs, such as engine speed, exhaust oxygen and intake air flow. [1]
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