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ignition system and engine management mapped direct ignition with centrally mounted spark plugs and six individual direct-acting single spark coils; Siemens Simos 8.xx electronic engine control unit (ECU) exhaust system two ceramic catalytic converters dimensions length: 360 mm (14.2 in), width: 430 mm (16.9 in), mass: 189 kg (417 lb)
This engine is part of Audi's modular 90° V6/V8 engine family. It shares its bore and stroke, 90° V-angle, and 90mm cylinder spacing with the Audi V6. The earlier V6 engines (EA837) used an Eaton TVS Supercharger instead of turbocharger(s). In 2016, Audi and Porsche released a new turbocharged V6 engine they dubbed EA839.
The key feature of Motronic 1.7 is the elimination of an ignition distributor, where instead each cylinder has its own electronically triggered ignition coil. Motronic 1.7 family has versions 1.7, 1.7.2, 1.7.3, all of them used on M42/M43 engines in BMW 3 Series (E36) up to 1998 [8] and BMW 5 Series (E34) up to 1995. [9]
Volkswagen and Audi have been called to the NHTSA's office again, this time over tire pressure monitoring systems (TPMS) and an infotainment system voltage regulator. Volkswagen and Audi recall ...
2009–2011 Toyota vehicle recalls; A. Audi 100; F. ... General Motors ignition switch recalls; T. Takata Corporation
During model years 1982–1987, Audi issued a series of recalls of Audi 5000 (the North American name of the Audi 100 at the time) models associated with reported incidents of sudden unintended acceleration linked to six deaths and 700 accidents. [39] At the time, NHTSA was investigating 50 car models from 20 manufacturers for sudden surges of ...
On March 31, GM announced it was going to recall over 1.5 million more cars of six different models, due to faulty power steering. Of these, over 1.3 million were in the United States, and three of the models were also involved in the faulty ignition recall. The total number of cars recalled during 2014 as of 1 April was 6.26 million. [6]
Common causes of backfire are running rich (too much fuel going into cylinders) or faulty ignition, possibly a fouled (dirty) spark plug, coil, or plug wire. Pop-backs are usually caused by problems with timing. If the timing is too early, the spark plug fires before the intake valves close, causing the combustion to propagate into the intake ...