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Emission control system diagnostic servicing kit
Emission control system diagnostic servicing kit combinations and function of each description:
1 the crankcase forced ventilation system diagnostic PCV (maintenance:
 PCV system to ensure correct connection, no hose disconnect or crack,
 off the air filter, check the carburetor or injector air filter,
 check air filter, the crankcase
 check the intake manifold channels are base or carburetor sediments obstruction,
2 gas recirculation (an EGR system diagnostic maintenance:
 vacuum pump: watch or manual testing an EGR valve, Detection manifold vacuum,
 speed: test engine idle speed,
3 emissions of air temperature control system of testing maintenance:
 air heating control system maintenance: detection heating air pipe is damaged, overhaul pipe valves are stuck, repair the perfect vacuum sources
 manifold heating control maintenance: use manual pump valve testing vacuum
4 ignition system
5 air injection system
6 the secondary air system maintenance:
Use gas analyzer to measure and record the content of oxygen,
7. Evaporative emission control system
8) emission testing: