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Home >> Infiniti >> 2023 >> QX50 Autograph >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (1 Of 2) >> Preparation >> Preparation >> Commercial Service Tools
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Commercial Service Tools

Tool name (TechMate No.) Description
Fuel pressure gauge (-)
GNSDB35953Courtesy of NISSAN
Measuring fuel pressure
Leak detector i.e.: (J-41416)
GNSDB37450Courtesy of NISSAN
Locates the EVAP leak
EVAP service port adapter i.e.: (J-41413-OBD)
GNSDB33708Courtesy of NISSAN
Applies positive pressure through EVAP service port
Fuel filler cap adapter i.e.: (J-42909)
GNSDB44080Courtesy of NISSAN
Checks fuel tank vacuum relief valve opening pressure
EVAP service port
GNSDB33199Courtesy of NISSAN
Connects pressure pump to EVAP line (Part No. 149393S500)
NOTE: SYMBOL This tool is used if the vacuum delay valve does not have EVAP service port.