2nd Generation Specific 1986-1992 Discussion

Fuel problem....

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Old Oct 26, 2008 | 04:34 PM
  #1  
RE_TurboFB's Avatar
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OK First things first I just swaped a Turbo II into my FB. My fuel pressure gauge says that have around 40 PSI of fuel pressure.

The injectors have power. When I test the injectors for ground I get a vary short ground from the ECU, But I am not getting any fuel into the combustion chambers..



So I have fuel pressure, power to the injectors, signal from the ECU to the injectors(I am pretty sure I have signal) And I dont think all my injectors went bad at once..??



So I wonder why Im not getting any fuel.

The car will run for a second off of starting fluid.



Any help would be great!! Thanks guys!!
Old Oct 26, 2008 | 06:52 PM
  #2  
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Originally Posted by RE_TurboFB' post='910605' date='Oct 26 2008, 02:34 PM
OK First things first I just swaped a Turbo II into my FB. My fuel pressure gauge says that have around 40 PSI of fuel pressure.

The injectors have power. When I test the injectors for ground I get a vary short ground from the ECU, But I am not getting any fuel into the combustion chambers..



So I have fuel pressure, power to the injectors, signal from the ECU to the injectors(I am pretty sure I have signal) And I dont think all my injectors went bad at once..??



So I wonder why Im not getting any fuel.

The car will run for a second off of starting fluid.



Any help would be great!! Thanks guys!!


I think you need a new injector/s. start the car put your finger on one to feel the injector pulse. thats all I can offer. good luck.
Old Oct 26, 2008 | 09:28 PM
  #3  
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dac
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Originally Posted by RE_TurboFB' post='910605' date='Oct 26 2008, 10:34 PM
OK First things first I just swaped a Turbo II into my FB. My fuel pressure gauge says that have around 40 PSI of fuel pressure.

The injectors have power. When I test the injectors for ground I get a vary short ground from the ECU, But I am not getting any fuel into the combustion chambers..



So I have fuel pressure, power to the injectors, signal from the ECU to the injectors(I am pretty sure I have signal) And I dont think all my injectors went bad at once..??



So I wonder why Im not getting any fuel.

The car will run for a second off of starting fluid.



Any help would be great!! Thanks guys!!


Check your hoses. If you get them backwards to the fuel rail, fuel won't flow. I did it the first time I fired my old motor.
Old Oct 27, 2008 | 09:28 PM
  #4  
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The fuel line goes to the primary rail first right..?? Then to the secondary rail..??
Old Oct 27, 2008 | 09:46 PM
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One other thing... I dont know if it matters but I dont have a air temp sensor installed!! Plus I am using a S4 AFM With S5 wiring and ECU.....



Some one said that it matters if the OMP is installed also.. So I pluged it in but its the same old story....



P.S. where is a good place to get injectors..???
Old Oct 27, 2008 | 09:55 PM
  #6  
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I was looking on ebay and found a Fuel Injector Resistor & Relay do you have to have one of those for the engine to run..????
Old Oct 28, 2008 | 08:33 AM
  #7  
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Not sure on the resistor pack but i do know on a s5 itll go into limp mode with out the omp and without the temp sensor it will defualt at some extremely low temp. Resistor pack could explain it if it is indeed needed..
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