4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

no fire to injectors

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Old 08-06-2009, 02:21 PM
  #1  
mr.zx9r
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Default no fire to injectors

I have a 2003 gt. I bought this car at an auction not running. I can spray fuel in the throttle body and the car will run. I have checked fuel pressure and its fine so i checked to see if ther was any fire getting to the injectors and NONE. Any help ????
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Old 08-06-2009, 04:41 PM
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vanquish
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check the fuses and relays for the car. What did you do to check the injectors? Did you check each one?
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Old 08-07-2009, 06:40 AM
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BOSTANG
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It my be your key. You my have to have a lock-smith to reprog. the key.
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Old 08-07-2009, 05:03 PM
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cliffyk
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With the key on there should be +12V between the red wire and ground at each injector. If not the check the 20A fuse at position 2 (F2.2) in the Central Junction Box (CJB, the underdash fuse panel).

If that fuse is good then check the 30A fuse in position 26 (F1.26) of the Battery Junction Box (BJB, under the hood just aft of the battery).

If F1.26 is good then check fuse 34 (20A, F2.34) in the CJB, if F2.34 is good then check the 40A fuse, F1.3, in position 3 of the BJB.

If all the fuses are good then you have a wiring problem, a bad ignition switch, or a bad PCM control relay--or any combination of the three...
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