87538122 5263306 Diesel Fuel Injector for QSL9 Engine
Product Details
| Part Number: | 87538122 | MOQ: | 1 |
|---|---|---|---|
| Highlight |
Diesel Fuel Injector for QSL9 Engine,QSL9 Engine Fuel Injector,Diesel Injector with warranty |
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Product Description
| Product Name | Fuel Injector |
|---|---|
| Part Number | 87538122 |
| Brand Name | JIAJUE |
| Model | QSL9 Engine |
| Availability | Rich Stock |
| Approximate Weight | 1KG |
| Size (for 1pc) | 20cm x 5cm x 8cm |
| Delivery Methods | DHL FedEx TNT UPS |
| Warranty | 3 months |
| Shipment | Dispatched within 24-48 hours |
- Cylinder Cut-out Test: Using diagnostic software (ET), shut off cylinders one by one and observe engine speed fluctuations to locate faulty cylinders.
- Fuel Rail Pressure Test: Check for internal leaks preventing the system from building critical starting pressure.
- Back-leakage Test: Excessive back-leakage indicates severe wear of internal control valve assembly.
- Visual Inspection: Inspect fuel injector nozzles for carbon buildup, blockage, or corrosion.
- Preparation: Clean the injector bores thoroughly. Ensure no carbon debris, old O-rings, or fuel/oil residue at the bottom of the seat. Inspect the injector sleeve for pitting or erosion.
- Lubrication: Apply clean engine oil to the three O-rings and backup rings. Warning: Never use grease. Only use clean engine oil to ensure seals slide in without tearing.
- Seating the Injector: Push the injector down firmly by hand until you feel it "seat." Install the hold-down clamp and bolt.
- Torque Specifications: Tighten the bolt to 30 N⋅m±7 N⋅m (22 lb-ft). Note: Over-tightening can crack the injector body; under-tightening causes combustion gas leakage.
- Trim Code Programming: Locate the 6-digit alphanumeric code on the top of the injector solenoid. Use ET (Electronic Technician) software to program this code into the ECM for precise fuel delivery synchronization.
| Issue | Root Cause | Solution |
|---|---|---|
| Black Smoke | Poor spray atomization or stuck needle valve causing dripping | Inspect the air filter |
| Hard Start | Internal leakage in injector leading to insufficient starting oil pressure | Inspect injector O-rings and internal seals |
| Engine Misfire | Faulty solenoid valve coil or worn internal valve components | Inspect wiring harness connections and replace damaged injectors |
Product Highlights
87538122 5263306 Diesel Fuel Injector for QSL9 Engine High-performance diesel fuel injector specifically designed for QSL9 engines, ensuring optimal fuel delivery and engine performance. Product Specifications Product Name Fuel Injector Part Number 87538122 Brand Name JIAJUE Model QSL9 Engine ...
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