Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Computers and Control Systems: Labor Times

Standard HoursManufacturer Warranty HoursSkill LevelNotes
Diagnose/Test
Fuel and Performance Tests
Engine Performance, Test0.50.3B
Fuel System Quality, Check0.80.5B
Fuel Contamination, Check0.90.6B
Fuel Filter Outlet Pressure, Check
Single Tank1.00.7B
Dual Tank1.10.8B
Fuel Supply Pump Outlet Pressure, Check
Single Tank1.10.8B
Dual Tank1.30.9B
Fuel Pump Capacity, Check
Single Tank1.10.8B
Dual Tank1.41.0B
Supply Pump Inlet Restriction, Check
Single Tank1.30.9B
Dual Tank1.51.1B
Fuel Return Pressure, Check
Single Tank1.51.1B
Dual Tank2.01.4B
Air Intake Restriction, Check
Single Tank1.71.2B
Dual Tank2.01.4B
Injection Pump Transfer Pressure, Check
Single Tank2.51.8B
Dual Tank2.82.0B
Low Idle, (RPM) Check
Single Tank2.01.4B
Dual Tank2.21.6B
Injection Pump Timing - Setting & Advance, Check
Single Tank2.11.5B
Dual Tank2.41.7B
Injection Lines & Nozzles, Check
Single Tank5.94.1B
Dual Tank5.94.3B
Crankcase Pressure, Check
Single Tank5.94.2B
Dual Tank6.64.5B
Electronic Engine Control, Test
Road Test0.50.3B
Pin Point Test, Diagnosis0.50.3B
E.E.C.-IV Quick Test, Diagnosis0.80.5B
E.E.C.-IV Monitor, Diagnosis1.10.8B