Isuzu offers all-new N-Series
Nov 1, 2007 12:00 PM, By Rick Weber
Regeneration in Isuzu trucks can occur through self-regeneration, an automatic process that occurs as the vehicle is driven throughout the day and does not require driver involvement. The vast majority of vehicles will regenerate automatically. Forced computer-initiated regeneration occurs if the vehicle operation does not produce exhaust gases hot enough for the automatic process to occur.
In the event that the computer cannot force regeneration, a control light will alert the driver to activate a dashboard switch to initiate the regeneration process. Special system-sensing and control software was developed to precisely control engine combustion and DPF regeneration.
To meet the EPA regulation for lower diesel fuel sulfur emissions, Isuzu-designed emissions systems work efficiently with the new fuels and lubricants. The ‘07 emissions regulations also require all crankcase gas emissions to be reduced. To comply, a closed crankcase system was added to reroute ventilation gases back into the engine for combustion.
Helping to reduce operating costs while increasing vehicle uptime is a new 10,000-mile oil and oil filter interval on N-Series models equipped with the 5.2L diesel engine.
For Isuzu N-Series customers who prefer a gasoline engine, NPR and NPR HD models are available with the Vortec 6.0L V-8 engine. For 2008, the Vortec 6.0L delivers 325 horsepower - 25 more than the previous version - and 360 lb-ft of torque. These models are mated to the Hydra-Matic 4L80 four-speed automatic with lockup torque converter and overdrive.
The Vortec 6.0L is 50-state compliant with federal CFFV/LEV and California ULEV emissions requirements. It has a 200,000-mile design life and is backed by a three-year/36,000-mile warranty. Customers may purchase extended service plans that cover their vehicles for up to five years/100,000 miles.
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