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294000-0266 8-97328886-6 8-97328886-5 294000-0262 294000-0263 HP3 Fuel Injection Pump Compatible for Isuzu 4HK1 5.2L Engine NPR NPR-HD NQR NRR FRR FSR GMC W4500 W5500 Trucks OE 294000-0260 294000-0261
UOYETIB Part Number: 2-90123886-0, 2901238860, 294000-0260, 294000-0261, 294000-0262, 8-97328886-1, 8-97328886-2, 8-97328886-3, 8-97328886-4, 8-97328886-5, 8-97328886-6, 8-97328886-7, 8973288861, 8973288862, 8973288863, 8973288864, 8973288865, 8973288867, 97328886 294000-0263, 294000-0264, 294000-0265, 294000-0266, 294000-0267 || Part Name: Fuel Injection Pump || Application: Compatible for Isuzu 4HK1 4HK1-TCC 4HK1-TCS 5.2L Engine Compatible for Isuzu NPR NPR-HD NQR NRR Trucks; Compatible for Isuzu FRR FSR FTR FVR FSS Trucks; Compatible for GMC W4500 W5500 2004-2007 || Note:Application information provided is for reference only. Please make sure to match the exact part numbers between this part and the part that you are replacing. || Ask your mechanics to make sure it matches exactly in case of doubt before purchasing. Made of high-quality materials, stable performance, high reliability, easy to install, fast response.
UOYETIB Part Number: 2-90123886-0, 2901238860, 294000-0260, 294000-0261, 294000-0262, 8-97328886-1, 8-97328886-2, 8-97328886-3, 8-97328886-4, 8-97328886-5, 8-97328886-6, 8-97328886-7, 8973288861, 8973288862, 8973288863, 8973288864, 8973288865, 8973288867, 97328886 294000-0263, 294000-0264, 294000-0265, 294000-0266, 294000-0267 || Part Name: Fuel Injection Pump || Application: Compatible for Isuzu 4HK1 4HK1-TCC 4HK1-TCS 5.2L Engine Compatible for Isuzu NPR NPR-HD NQR NRR Trucks; Compatible for Isuzu FRR FSR FTR FVR FSS Trucks; Compatible for GMC W4500 W5500 2004-2007 || Note:Application information provided is for reference only. Please make sure to match the exact part numbers between this part and the part that you are replacing. || Ask your mechanics to make sure it matches exactly in case of doubt before purchasing. Made of high-quality materials, stable performance, high reliability, easy to install, fast response.
294000-0266 294000-0265 294000-0260 294000-0261 294000-0263 Fuel Injection Pump DJCXYSM Compatible with Isuzu 4HK1 5.2L Engine for NPR NPR-HD NQR NRR FRR FSR GMC W4500 W5500 Trucks
DJCXYSM Product Name:Fuel Injection Pump || Part Number:294000-0266 294000-0265 294000-0260 294000-0261 294000-0263 2940000266 2940000265 2940000260 2940000261 2940000263 || Application: Compatible with Isuzu 4HK1 5.2L Engine Compatible with NPR NPR-HD NQR NRR FRR FSR GMC W4500 W5500 Trucks || NOTE: To avoid unnecessary returns please check the part number before purchasing or tell us the picture of your engine model and nameplate to reduce the error rate. || Tips: If you cannot find the product part number you need, please contact us. We will provide you with a quotation and create a link as soon as possible.
DJCXYSM Product Name:Fuel Injection Pump || Part Number:294000-0266 294000-0265 294000-0260 294000-0261 294000-0263 2940000266 2940000265 2940000260 2940000261 2940000263 || Application: Compatible with Isuzu 4HK1 5.2L Engine Compatible with NPR NPR-HD NQR NRR FRR FSR GMC W4500 W5500 Trucks || NOTE: To avoid unnecessary returns please check the part number before purchasing or tell us the picture of your engine model and nameplate to reduce the error rate. || Tips: If you cannot find the product part number you need, please contact us. We will provide you with a quotation and create a link as soon as possible.
MeiHongHong 294000-0266 294000-0261 294000-0262 294000-0263 2004 2005 2006 2007 Compatible For Isuzu NPR 5.2L 4HK1 Engin Replacement Fuel Pump
MeiHongHong 294000-0266 294000-0261 294000-0262 294000-0263 || 2004 2005 2006 2007 Compatible For Isuzu NPR 5.2L 4HK1 Engin || Replacement Fuel Pump || fuel pump module assembly can prevent noise from the fuel tank, difficult to start, and high temperature standstill || direct replacement of OEM components, easy installation
MeiHongHong 294000-0266 294000-0261 294000-0262 294000-0263 || 2004 2005 2006 2007 Compatible For Isuzu NPR 5.2L 4HK1 Engin || Replacement Fuel Pump || fuel pump module assembly can prevent noise from the fuel tank, difficult to start, and high temperature standstill || direct replacement of OEM components, easy installation
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Firm
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29400-00263
8-97328886
PUMP ASSY, SUPPLY
Information:
Fuel System Inspection
A problem with the components that send fuel to the engine can cause low fuel pressure. This can decrease engine performance.1. Check the fuel level in the fuel tank. Look at the cap for the fuel tank to make sure the vent is not filled with dirt.2. Check the fuel lines for fuel leakage. Be sure the fuel supply line does not have a restriction or a bad bend.3. Install a new fuel filter. Clean the primary fuel filter.4. To remove air from the fuel system, use the procedure that follows:PC Engines:
a. Use the priming pump to remove air from the low pressure side of the fuel system.b. Loosen (one at a time) the fuel injection line nut one-half turn at the valve cover base adapter. Use the priming pump until fuel without air flows from the loose connections, then tighten the nut. Repeat the procedure for each fuel injection line.DI Engines:
a. Use the priming pump to remove air from the low pressure side of the fuel system.b. Loosen one-half turn the fuel injection line nuts at each adapter in the valve cover base. Move governor control shaft to LOW IDLE position. Use the starter motor to turn the engine until fuel without air flows from the loose connections. Tighten the nuts. Because of the check assemblies in the injection pump outlets for the DI engine, the priming pump will not give enough pressure to remove air from the fuel injection lines.5. Inspect the fuel bypass valve to see that there is no restriction to good operation.Checking Engine Cylinders Separately
An easy check can be made to find the cylinder that runs rough (misfires) and causes black smoke to come out of the exhaust pipe.Run the engine at the speed that is the roughest. Loosen the fuel line nut at a fuel injection pump. This will stop the flow of fuel to that cylinder. Do this for each cylinder until a loosened fuel line is found that makes no difference in engine performance. Be sure to tighten each fuel line nut after the test, before the next fuel line nut is loosened. Check each cylinder by this method. When a cylinder is found where the loosened fuel line nut does not make a difference in engine performance, test the injection pump and injection valve for that cylinder.Temperature of an exhaust manifold port, when the engine runs at low idle speed, can also be an indication of the condition of a fuel injection valve. Low temperature at an exhaust manifold port is an indication of no fuel to the cylinder. This can possibly be an indication of an injection valve with a defect. Extra high temperature at an exhaust manifold port can be an indication of too much fuel to the cylinder, also caused by an injection valve with a defect.The most common defects found with the fuel injection valves are:1. Steel wire brushing of nozzle tip.2. Orifice wear.Testing Capsule-Type Fuel Injection Nozzles
5P4150 Nozzle Testing Group 5P4720 Fitting5P8744
A problem with the components that send fuel to the engine can cause low fuel pressure. This can decrease engine performance.1. Check the fuel level in the fuel tank. Look at the cap for the fuel tank to make sure the vent is not filled with dirt.2. Check the fuel lines for fuel leakage. Be sure the fuel supply line does not have a restriction or a bad bend.3. Install a new fuel filter. Clean the primary fuel filter.4. To remove air from the fuel system, use the procedure that follows:PC Engines:
a. Use the priming pump to remove air from the low pressure side of the fuel system.b. Loosen (one at a time) the fuel injection line nut one-half turn at the valve cover base adapter. Use the priming pump until fuel without air flows from the loose connections, then tighten the nut. Repeat the procedure for each fuel injection line.DI Engines:
a. Use the priming pump to remove air from the low pressure side of the fuel system.b. Loosen one-half turn the fuel injection line nuts at each adapter in the valve cover base. Move governor control shaft to LOW IDLE position. Use the starter motor to turn the engine until fuel without air flows from the loose connections. Tighten the nuts. Because of the check assemblies in the injection pump outlets for the DI engine, the priming pump will not give enough pressure to remove air from the fuel injection lines.5. Inspect the fuel bypass valve to see that there is no restriction to good operation.Checking Engine Cylinders Separately
An easy check can be made to find the cylinder that runs rough (misfires) and causes black smoke to come out of the exhaust pipe.Run the engine at the speed that is the roughest. Loosen the fuel line nut at a fuel injection pump. This will stop the flow of fuel to that cylinder. Do this for each cylinder until a loosened fuel line is found that makes no difference in engine performance. Be sure to tighten each fuel line nut after the test, before the next fuel line nut is loosened. Check each cylinder by this method. When a cylinder is found where the loosened fuel line nut does not make a difference in engine performance, test the injection pump and injection valve for that cylinder.Temperature of an exhaust manifold port, when the engine runs at low idle speed, can also be an indication of the condition of a fuel injection valve. Low temperature at an exhaust manifold port is an indication of no fuel to the cylinder. This can possibly be an indication of an injection valve with a defect. Extra high temperature at an exhaust manifold port can be an indication of too much fuel to the cylinder, also caused by an injection valve with a defect.The most common defects found with the fuel injection valves are:1. Steel wire brushing of nozzle tip.2. Orifice wear.Testing Capsule-Type Fuel Injection Nozzles
5P4150 Nozzle Testing Group 5P4720 Fitting5P8744