ARMY TM 9-2815-256-24AIR FORCE TO 38G1-96-2MARINE CORPS TM 2815-24/5(8)Low compression pressure.(9)Faulty fuel injection nozzles.(10)Carbon build-up in turbocharger.(11)Turbocharger compressor or turbine wheel rubbing housing.(12)Low fuel injection pump fuel delivery.(13)Restricted exhaust.f.Remove test gage and install plug in intake manifold.3-20