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6.2L fitted to a 1987 HMMWV. The original 6.2 L (379 cu in) diesel V8 was introduced in 1982 for the Chevrolet C/K and was produced until 1993. The 6.2L diesel emerged as a high-fuel-economy alternative to the V8 gasoline engine lineup, and achieved better mileage than Chevrolet's 4.3L V6 gasoline engine of the 1980s, at a time when the market was focused on power rather than efficiency.
The 6.6L Duramax diesel engine (VIN code "L") is used on 2010 interim and 2011 Chevrolet Express and GMC Savana vans and 2011 Chevrolet Silverado/GMC Sierra HD trucks with RPO ZW9 (chassis cabs or trucks with pickup box delete). The LGH engine is rated at 335 bhp (250 kW) at 3,100 rpm and 685 lb⋅ft (929 N⋅m) at 1,600 rpm.
The recall in the U.S. covers certain Chevrolet Silverado and GMC Sierra 1500, 2500, and 3500 pickups from the 2020 through 2022 model years. Also included are the 2021 Cadillac Escalade, GMC ...
General Motors kept marketing the diesel to the fullest, with 19 of the 23 Oldsmobile models in 1981 being available with the 5.7 diesel. [3] The sales and reliability woes were compounded by a decline in gas prices as well as fuel quality issues, including large volumes of diesel fuel containing water or foreign particles. [4]
The 4BA1 is a 2.8L diesel sold in Isuzu Elf light trucks of several generations. 98 mm (3.9 in) 92 mm (3.6 in) 2,775 cc (169.3 cu in) 75 PS (55 kW) 165 N⋅m (122 lb⋅ft) at 2200 rpm 4BB1 The 4BB1 is a direct injection diesel sold in Isuzu ELF and KT light trucks from 1973 to 1979. It is a four-cylinder version of the 6BB1.
The vast majority of vehicles manufactured after 1987 are fuel-injected: the injectors and high-pressure fuel pump immediately cease supplying fuel to the cylinders when the ignition is switched off. If the injector is damaged or dirty, a small amount of fuel can enter the chamber and be ignited, causing a sputter or two after the engine is ...
Second big problem: GM's cost-cutters decided not to fit a water separator. Unlike gasoline, diesel fuel is subject to water condensation – hence the need for a water separator. Without one, water in the fuel becomes water in the engine, where it can rust either the cylinders or the complicated mechanical fuel injection pump.
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