History of the diesel car issue as a lot of diesel fuel contained water and also high levels of sulfur at the time. The engine was later revised into the DX block and most of the issues were fixed, a V6 version displacing 4.3 litres and a smaller 4.3 V8 were also offered around this time, mainly for the downsized front-wheel drive models of the mid-1980s and although they were much better in the reliability department, the damage had already been done and the North American diesel car market was severely crippled as a result, despite the best efforts by Mercedes-Benz, Audi, BMW, Peugeot, VW
DESA (company) The company is also assembling 16V 4000 MTU type diesel engines for a contract for 150 IranRunner locomotives for passenger trains to be manufactured by Siemens and the MLC (Mapna Locomotive Engineering and Manufacturing Company). The first 30 units will be supplied by Siemens, the remaining 120 will be primarily manufactured domestically capacities and expertise over six years. The company has also supplied 120 engines for trainsets, and 60 engines for railbuses. The company also supplies engines for marine use, and dual fuel engines for powerplants. DESA (company) The Iran Heavy Diesel Manufacturing Company ( "Šerkat-e sanʿati wa-tawlidi-ye dizel-e sangin-e