• Isuzu Truck NPR L4-3.9L DSL Turbo (1998)
• Maintenance
• Engine, Cooling and Exhaust
• Engine
• Tune-up and Engine Performance Checks
• Air Cleaner Housing
• Air Filter Element
• Component Information
• Service and Repair
• Procedures
• Page 39
• Page 40
• Fuel Filter
• Exhaust System
• Powertrain Management