how to put a fuel pump on a 2004 audi a4 search result
This manual concerns about the step for removing and installing the fuel pump for 2004 Audi A4 L4-1.8L Turbo (AMB) vehicle.
Removing And Installing Fuel Pump
CAUTION: To remove the Fuel Pump (FP), the fuel tank may only be filled to a maximum of 3/4. Empty fuel tank if necessary.
Empty fuel tank
Observe safety precautions.
Observe rules for cleanliness.
CAUTION: Observe safety precautions when disconnecting the battery.
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Fuel Pump Circuit Schematic Refer to the schematic diagram and test the system with the diagnostic chart. CHECK FUEL PUMP OPERATION IN “D-CHECK” MODE 1. Connect “Test Mode” connector. [1] 2. Turn ignition “ON.” 3. Check fuel pump for proper operation. Fuel pump should cycle on and off. [1]
Refer to “How To Display and Read Diagnostic Trouble Codes” in COMPUTERS AND CONTROL SYSTEMS.
1. Disconnect relay connector and remove relay from its bracket. 2. Measure resistance of relay coil between terminals #1 and #3. It should read 70 Ohms. 3. Connect 12V to relay coil terminals and check continuity between switching terminals. Connect battery “+” to terminal #1 and battery “-” to terminal #3. Relay should “click” when energized.
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2004 Audi A3 Direct Petrol Injection and Ignition System Workshop Manual
29 Apr
Posted by admin as Audi
The engine control unit has a self-diagnosis capability. Before carrying out repairs and fault finding the fault memory must be interrogated. The vacuum hoses and connections must also be checked (unmetered air).
- Fuel hoses in engine compartment must only be secured with spring-type clips. Clamping-type or screw-type clips must not be used.
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Dual Fueler CP3 Pump Kit Installation Guide 03-07 5.9 Dodge Cummins
Engine noisy – Too Much Fuel Pressure or fuel delivery code
1) Cause: Check fuse is good and in controller’s fuse holder securely, and all power connections are secure, including connectors for both pumps are fully plugged in.
2) Lift pump pressure supplying both CP3 pumps pressure too high. Supply pressure from lift pump should not exceed 12-15 psi.
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The components in this Fuel Injection Test Kit enable the testing of the fuel delivery pressure to the engine. Pressure Gauge (1) connections are made either directly to the pump, or in-line with the pump and engine.
1. Relieve the fuel line pressure from the vehicle fuel system. Refer to the vehicle manufacturer’s service manual for instruction on relieving pressure from the fuel line, testing procedures and connection points, and normal pressure readings.
2. Use the various fittings and hoses to connect the Pressure Gauge (1) directly to the fuel pump, as in the case of the VW®, or in-line with the fuel pump and engine for most other vehicles. See connection examples on the next page.
Use a small amount of pipe compound or teflon tape on the connection threads to prevent leaks. Tighten using a wrench (not supplied).
Caution: Make sure all connections are tight to avoid fuel leaks.
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The evaporative emission system is designed to prevent the escape of fuel vapors from the fuel
system. Leaks in the system, even small ones, can allow fuel vapors to escape into the
atmosphere. Government regulations require onboard Testing to make sure that the evaporative
(EVAP) system is functioning properly. The leak detection system tests for EVAP system leaks
and blockage. It also performs self-diagnostics. During self-diagnostics, the Powertrain Control
Module (PCM) first checks the Leak Detection Pump (LDP) for electrical and mechanical faults.
If the first checks pass, the PCM then uses the LDP to seal the vent valve and pump air into the
system to pressurize it. If a leak is present, the PCM will continue pumping the LDP to replace
the air that leaks out. The PCM determines the size of the leak based on how fast/long it must
pump the LDP as it tries to maintain pressure in the system.
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When repairing the oil pump, the oil pan and strainer should be removed and cleaned. 1. REMOVE CRANKSHAFT TIMING PULLEY (See page EM–13) 2. 4WD: REMOVE FRONT DIFFERENTIAL (See page SA–47) 3. DRAIN ENGINE OIL 4. A/T: REMOVE OIL COOLER TUBE AND CLAMP (A340E: See page AT–24) (A340F: See page AT–30) 5. REMOVE REAR END COVER AND DUST COVER 6. DISCONNECT STARTER WIRE CLAMP 7. REMOVE CRANKSHAFT POSITION SENSOR 8. REMOVE OIL PAN (a) Remove the 17 bolts and 2 nuts. (b) Using SST and a brass bar, separate the oil pan Read the rest of this entry »
The Moroso Dry Sump Oil Pump is designed to fit either 90° V-6, small or big block Chevrolets, and the only difference is the mounting holes. You can see that there are two sets of slotted holes on the mounting bracket, which attaches the pump to the engine block.
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REMOVAL & INSTALLATION the GM Full-Size Trucks Fuel Injectors
1. Disconnect the negative battery cable.
2. Relieve the fuel system pressure.
3. Disengage the fuel meter body electrical connection and the fuel feed and return hoses from the engine fuel pipes.
4. Remove the upper manifold assembly.
5. Tag and remove the poppet nozzle out of the casting socket.
6. Remove the fuel meter body by releasing the locktabs. Each injector is calibrated. When replacing the fuel injectors, be sure to replace it with the correct injector.
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Covers Audi A4 models builtontheAudi “B5″ platform. Doesnot include AudiS4(sports model). This manual has been prepared using selected factory service information with the added benefit of suggestions tips and clarification of various procedures. Bentley repair manuals provide clear andcomprehensive service and repair procedures.
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