Air Intake System - Operation and Tests/Turbocharger Boost Pressure Check TURBOCHARGER BOOST PRESSURE CHECK Attach pressure gauge. Before checking boost pressure, warm up engine to allow the lubricating oil to reach operating temperature. CD7217 -UN-22MAY95 Observe pressure reading on gauge. Reading should be at least 60 kPa (0.6 bar ; 9 psi) when engine is developing rated horse power at full load speed. If the reading is low, check the following: • Restriction in the air cleaner • Leak in air intake system between turbocharger and cylinder head • Defective turbocharger CD,3274,G215,3 -19-15MAY92 215 2 CTM3274 (01JUL99) 215-2 Saran Liter Engines 060799 PN=337