TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

no pulse ...

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Old Oct 11, 2008 | 05:49 AM
  #1  
jyoungst's Avatar
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Joined: Nov 2006
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From: St.paul MN
Car: 91 eagle talon awd 438 awhp 390 tq
Engine: 4g63t with HX40 Turbo
Axle/Gears: awd
no pulse ...

hey guys i need to know how to get my injectors working
its like im not getting power to them i have no power to fuel pump neather
car will start if i put gas in tbi there are no blown fuses

and how long is my check engine light suppose to stay on when turn the key on
cause i dont see on when turn the key on or crank dose not flash

im thinking my ecu went possibly

could i have over loaded the fuel pump relay ? with my aftermarket fuel pump ?
need to know cause my car is at porkys and would to drive it back home instead of towing it again
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Old Oct 11, 2008 | 08:30 PM
  #2  
dimented24x7's Avatar
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From: Moorestown, NJ
Car: 88 Camaro SC
Engine: SFI'd 350
Transmission: TKO 500
Axle/Gears: 9-bolt w/ 3.23's
Re: no pulse ...

Do you have a solenoid light? If the ECM is still pulsing the injectors, then the pump/relay could be faulty. Does the pump come on for two seconds when you first turn the key on?

If the injectors are dead as well, the first place to look is the ign. module. Check your tach while cranking the engine. If the needle doesnt move at all, then its a good sign that the module is faulty and not sending reference pulses.
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