ERIKC 0445120192 For BOS fuel truck Injector 0 445 120 192 For BOS Performance Injectors 0445 120 192

ERIKC 0445120192 For BOS fuel truck Injector 0 445 120 192 For BOS Performance Injectors 0445 120 192

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Our company's main products :For BOS denso For Delp  piezo common rail injector ,  valve , nozzle , pump , repair kit , Fuel metering valve , Solenoid valve ,injector nozzle tester , injector repair tool and shim copper oring other injector parts

Injector FAQ

FAQ: What should I do if the high pressure pump fails? The flow rate in the fuel metering unit exceeds the threshold value when tow

Fault phenomenon:

ERIKC Answer: 1) When the vehicle is downhill, the fault light is on when the throttle is loose; 2) When the vehicle is accelerating, it appears that it is unable to accelerate and it sometimes emits black smoke.

Possible Causes:

1) High oil leakage caused by excessive oil return from injectors (such as valve seat wear, stem guide wear, needle valve guide wear, seal ring damage, or even leakage of high pressure ejector rods, etc.), high pressure leaks cause the flow in the metering valve to exceed the threshold 2) The pressure relief valve on the common rail tube causes high pressure leakage, and the high pressure leakage causes the flow rate in the metering valve to exceed the threshold value.

Troubleshooting method:

1) Injector troubleshooting:

Measure whether the single-cylinder oil return of the injector is too large. If it is too large, the injector can be replaced for the external-injection injector. For internal fuel injectors, it is necessary to check: a. whether the high-pressure jumper pipe is in place; b. whether there is any scratch on the sealing taper between the fuel injector and the jumper pipe; c. the internal wear of the fuel injector is replaceable. Device. 2) Check the high-pressure oil rail: Loosen the pressure relief valve joint of the rail to see if there is oil. Normally there is no fuel spillage.