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Summary of Contents for IEC 3640
- Page 1 #3640 FUEL INJECTION PRESSURE TESTER KIT Fuel © IEC 1997...
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Page 2: Table Of Contents
Table of Contents Paragraph Title Page No. GENERAL INFORMATION ABOUT THE TESTER ..............VEHICLES COVERED ..............BEFORE YOU BEGIN ..............SAFETY PRECAUTIONS ..............VEHICLE SERVICE MANUALS ............ TESTING GENERAL ..................TEST PROCEDURES............... WARRANTY AND SERVICE LIMITED ONE YEAR WARRANTY..........SERVICE PROCEDURES..............Fuel... -
Page 3: General Information
General Information 1.1 ABOUT THE TESTER The Fuel Injection Pressure Tester Kit is designed to perform fuel pressure tests on most domestic and import cars and trucks. The tester saves you time and money by helping you test and troubleshoot fuel system problems which can affect your vehicle's performance and fuel economy. -
Page 4: Vehicles Covered
Ford Adapter. Installs on the fuel system test port of Ford and some Chrysler vehicles to allow connection of the tester. 7, 8. Hose. 5/16" and 3/8" universal high-pressure hoses used in conjunction with tee fitting (5). 9, 10. Hose Clamp. High-pressure fuel line clamps used in conjunction with hoses (7, 8) and tee fitting (5). -
Page 5: Safety Precautions
General Information Read and follow all safety precautions. Make sure the battery is fully charged and the vehicle has enough fuel in the tank. Perform a thorough underhood inspection. Check for loose or cracked electrical wiring, battery cables, ignition wires, fuel and/or vacuum lines. Perform necessary repairs and ensure the fuel system is leak-free. -
Page 6: Vehicle Service Manuals
When placing the bleed-off hose into a container to collect excess fuel, make sure the container is approved for gasoline. When working on vehicles equipped with airbags, follow all cautions and test procedures in your vehicle’s service manual to avoid accidental airbag deployment. - Page 7 General Information Fuel...
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Page 8: General
2.1 GENERAL The tests outlined in this manual are for checking Throttle Body Fuel Injection (TBI) (see Figure 2) and Multi-port Fuel Injection (MFI) (see Figure 3) fuel system pressures with the engine running (key on, engine on) and without the engine running (key on, engine off). -
Page 9: Test Procedures
Testing • The tee adapter is suitable for use with most fuel injection systems equipped with rubber fuel hoses secured by fuel line clamps at the fuel rail or throttle body (see Figure 6). • The tee adapter is not suitable for use with fuel injection systems equipped with rigid, metallic or plastic fuel lines or connectors. - Page 10 Loosen the fuel tank cap to release any pressure from the fuel tank. MAKE SURE the ignition is off. Locate the fuel system’s test valve or port. Remove the protective cap. WARNING: The air conditioning test port looks similar to the fuel system test port.
- Page 11 Testing Wrap a shop rag around test port area Figure 5 to avoid fuel spray and to absorb excess fuel. CAREFULLY disconnect the gauge hose from the port adapter. NOTE: If installed, remove the Ford adapter from the vehicle's test port.
- Page 12 WARNING: Systems without test ports require that fuel lines be removed or disconnected. Please be aware that these lines may be UNDER PRESSURE, and when removed could cause fuel spray and/or leakage onto hot engine parts. Relieve fuel system pressure BEFORE connecting tester (refer to your vehicle's service manual for procedures).
- Page 13 Testing Turn ignition off and follow the test and repair procedures to correct the problem. After all necessary repairs have been completed, return to step j. m. Start and idle engine. RECHECK THE TEST SETUP FOR FUEL LEAKS. Read fuel pressure from the tester gauge. If the fuel pressure is within vehicle manufacturer's specifications, proceed to step p.
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Page 14: Limited One Year Warranty
3.1 LIMITED ONE YEAR WARRANTY The Manufacturer warrants to the original purchaser that this unit is free of defects in materials and workmanship under normal use and maintenance for a period of one (1) year from the date of original purchase. If the unit fails within the one (1) year period, it will be repaired or replaced, at the Manufacturer's option, at no charge, when returned prepaid to the Service Center with Proof of Purchase. - Page 15 Warranty and Service Fuel...
- Page 16 INNOVA ELECTRONICS CORPORATION 17291 Mt. Herrmann Street Fountain Valley, CA 92708 Printed in Taiwan © IEC 1997 Fuel...
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