1. 130-5190 HEUI Injector Part Number Common Writing
130-5190, 130 5190, 1305190, 0R-8790, 0R 8790, 0R8790
2. 130-5190 HEUI Injector Technical Support
2.1. 130-5190 HEUI Injector Part Number Location
E.g.：See the HEUI injector part number as follows:
| No. |
Name |
| A |
brand, logo, part number |
2.2. 130-5190 HEUI Injector Installation Precautions
（1）The replacement of the HEUI injectormust strictly follow the electrical system, the approved pressure of the low-pressure fuel intake system, the approved pressure of the high-pressure fuel circuit system, and fuel system replacement consumables requirements (including the low-pressure fuel circuit system filter and the high-pressure fuel circuit) specified in the vehicle engine maintenance manual;
（2）Replacement of wearing parts of the fuel system, cleaning requirements for the connection between the fuel system and the HEUIinjector, the fitting clearance of the HEUI injector connection, the installation angle and tightening torque of the HEUI injector, the fitting clearance of the intake system, and the fitting clearance of the exhaust system to ensure the service life of the engine and the normal operation of the HEUI injector.
（3）When installing the HEUI injectoron the engine, it is necessary to clean the engine block, cylinder head and other parts connected to the HEUI injector, and ensure that there is no dust, carbon deposits, water, rust spots, etc.
（4）Before installing, check whether the HEUI injectornozzle gasket has been replaced and installed on the HEUI injector.
（5）When installing the HEUI injector, apply lubricant between the HEUI injector, fuel nozzle sealing gasket and O-ring.
（6）Without replacing new gasketcan lead to: deformation of the tight cap of nozzle, deformation of nozzle, deformation of nozzle orifice, oil leakage and air leakage, which will cause serious damage to the HEUI injector and nozzle to break and cause damage to the engine.
（7）When installing the HEUIinjector on the engine, please carefully check the components related to the installation of the HEUI injector, such as the HEUI injector pressure plate, screw, HEUI injector rod and other accessories are not deformed, and install it in strict accordance with the operation steps of the engine maintenance manual.
（8）It is forbidden to operate the bare HEUIinjector for a long time in an environment with serious dust pollution and corrosion to iron products.
（9）It is forbidden to operate the bareHEUI injector for a long time in a strong magnetic field environment.
2.3. Reasons for 130-5190 HEUI Injector Not Working Normally
（1）There is air in the oil circuit of the engine fuel system.
（2）Vehicle oil pump oil supply system is not normal.
（3）Engine common rail system oil leakage or pressure limiting valve is damaged.
（4）There is a short circuit, cutting out and poor contact in the wiring harness connected to the HEUI injectorof the vehicle.
（5）The long-term placement of the HEUIinjector causes the anti-rust oil to solidify, and the internal components are stuck or the oil holes are blocked.
- Before installing, carefully check whether other components in the common rail system except the HEUI injectorare damaged so as to prevent the HEUI injectorfrom not working properly after being replaced.
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