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MARINE

Part Number

700-21

For V-8 Engines

INSTALLATION, TUNING, AND

TROUBLESHOOTING MANUAL

NOTE: These instructions must be read and fully understood before beginning

installation. If this manual is not fully understood, installation should not be
attempted. Failure to follow these instructions, including the pictures may result
in subsequent system failure.

Содержание pro-jection 2D

Страница 1: ...OOTING MANUAL NOTE These instructions must be read and fully understood before beginning installation If this manual is not fully understood installation should not be attempted Failure to follow thes...

Страница 2: ...Electric Pump 13 8 8 Coolant Temperature Sensor 14 9 0 CLOSED LOOP INSTALLATION AND CONNECTION OPTIONAL 14 10 0 MOUNTING THE ELECTRONIC CONTROL UNIT ECU 15 11 0 ENGINE WIRING HARNESS 16 12 0 ELECTRIC...

Страница 3: ...irections does not constitute the right to a warranty claim WARNING Failure to follow all of the above will result in an improper installation which may lead to personal injury including death and or...

Страница 4: ...N A 16 Throttle Extension Bracket Screw and Nut 2 N A 17 Fuel Filter 1 562 1 18 Fuel Filter Clamp 1 N A 19 Hose Barb Fitting 3 8 inch 2 N A 20 Hose Barb Fitting 1 4 inch 1 N A 21 Brass Tee Connector 1...

Страница 5: ...Item 4 Item 5 Item 6 Item 7 Item 8 Item 9 Item 10 Item 11 Item 12 Item 13 Item 14 Item 15 Item 16 Item 17 Item 18...

Страница 6: ...nifold there must be adequate hatch clearance 1 taller than stock and the boat s engine and electrical system must be in good operating condition 5 0 TOOLS REQUIRED FOR INSTALLATION 1 2 Socket and Wre...

Страница 7: ...he ECU is factory programmed and controls the amount of fuel delivered to the engine by pulsing each of the two fuel injectors for precisely controlled periods of time The rate and length of time at w...

Страница 8: ...ounting flange DO NOT gouge the intake manifold sealing surface during removal of old gasket material Failure to remove all traces of old gasket material will result in vacuum leaks that will be diffi...

Страница 9: ...our 1 1 4 adapter bolts through the inner holes of the adapter and gasket and into the manifold Torque the bolts to 15 ft lbs in two steps First torque each to 8 ft lbs and then to 15 ft lbs in a cris...

Страница 10: ...any studs or brackets that are on the carburetor throttle lever and transfer them over to the lever of the TBI in the same relative location Connect the throttle cable to the lever using the original...

Страница 11: ...e the return line installation section for explanation of return line options 4 Pursuant to Coast Guard regulations the electric fuel pump must be mounted directly to the engine or within 12 of the en...

Страница 12: ...the inlet side of fuel pump system See Figure 6 for a diagram of the two fuel system configurations Once a determination has been made go to the section below required for your installation and follo...

Страница 13: ...ation with Fuel Return Line to Electric Pump Holley recommends that the mechanical pump be removed in this case However the pump can be optionally retained if the user wants to supply the electric pum...

Страница 14: ...ting an oxygen sensor Use of Leaded fuels will DESTROY the oxygen sensor and will result in incorrect exhaust gas oxygen readings which may cause poor performance and cause serious engine damage WARNI...

Страница 15: ...8 inch drill size 2 Tap the hole using a m18 x 1 5 5H metric tap 3 Install the oxygen sensor into the threaded hole and tighten securely Care should be taken not to over tighten the sensor when alumin...

Страница 16: ...he front of the ECU are accessible before mounting the ECU 2 Using the ECU base plate as a template drill 4 pilot holes ensuring that no damage will result to any of your boats other systems 3 Mount t...

Страница 17: ...wire Plug this four way connector and push this into the fuel pump until it is secure The single black wire with a ring terminal is the ground Bolt this to the engine just as you did with the previou...

Страница 18: ...d wire of the ECU fuel pump terminal and one side of each injector coil Upon initial power up the fuel pump will run for a couple of seconds to help prime the fuel lines The ECU controls the pump by g...

Страница 19: ...grammed into the digital ECU is comprised of 256 individual points Each point has a throttle position and rpm value assigned to it These values are used by the digital ECU to determine the appropriate...

Страница 20: ...ngine is warming up Rotating the adjustment knob counter clockwise will decrease the amount of fuel added while the engine is warming up 15 0 BEFORE STARTING THE ENGINE WARNING The adjustment knobs on...

Страница 21: ...nnector from the TPS and attach jumper wires between the TPS and the connector 2 Remove a portion of the insulation on the jumper wires connecting to both the black and the blue wires leading to the T...

Страница 22: ...talled from the rear of the digital ECU Initial tuning should be completed with the system operating in open loop mode 2 Start the engine and allow the engine to reach operating temperature 3 Turn the...

Страница 23: ...moke comes out of the exhaust the ACCEL adjustment is set too low 3 Adjust the ACCEL adjustment knob accordingly and continue performing acceleration tests you achieve a quick crisp response during ac...

Страница 24: ...idle for a minimum of ten minutes after the addition of the stabilizer to assure that it reaches the throttle body 20 0 TROUBLESHOOTING AND COMPONENT TESTING Double check all wiring connections and in...

Страница 25: ...supply fuel pressure Incorrect TPS adjustment Faulty TPS Restricted Fuel Injector Vacuum Leak Water in fuel Faulty oxygen sensor Adjust knob settings See Tuning section on Page 22 Install pressure ga...

Страница 26: ...t at 15 PSI A slight adjustment may be necessary to allow for proper system operation 1 Install a pressure gauge into the fuel supply line This gauge must be removed after the fuel pressure has been p...

Страница 27: ...properly adjusted and functioning throttle position sensor is essential to the proper operation of the PRO JECTION 2D system The TPS is a precision electrical component that acts as a variable resist...

Страница 28: ...the readings should constantly change between zero and one volt If the reading is always zero volts be sure 12V and ground are present on the YELLOW and BLACK wires If so the sensor is probably bad If...

Страница 29: ...NOTES NOTES...

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