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

Stopped running and now won't start

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Old 01-30-2011, 04:54 PM
  #11  
gilsmustang
 
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I had issue with my fuel pump but as extensive as yours and my codes came up as faulty secondaries so change the Pump and the fuel filter at the same time.
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Old 01-31-2011, 08:17 AM
  #12  
cwf340
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ccrm's rarely fail, I would start by checking the ground wire connection by the battery. there is a 2-3 wire connector with black ground wires in it. I have seen these wire corrode and cause a no start condition. If that is ok then check your fuel pressure and power to the fuel pump. to check the power hook a test light between the power and ground of the harness side connector and and turn the key on, the PCM will power the pump for 10 seconds so have someone watch the light while you cycle the key. hope this helps.
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Old 01-31-2011, 09:33 AM
  #13  
Case's97GT
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Perhaps I'm not understanding. Will the car not start at all now? I would check the fuel shut off switch.
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Old 01-31-2011, 09:44 AM
  #14  
Sxynerd
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Originally Posted by BraMas
Check the Crank sensor. Will the car start if you let it set all night or for a few hours and than about 5 minutes into a drive it shuts off and wont start again until it sets for a while? If so definitely crank sensor
Ask ^ how he knows, lol.
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Old 02-01-2011, 08:49 AM
  #15  
98redstang
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Originally Posted by BraMas
UM ok? The crank sensor does control that stuff but think what you want
+1 lol when i swapped my motor in i forgot to plug that in and the car wouldnt start. It would crank but wouldnt start. I was pissed. I looking over the harness found out that the sensor wasnt plugged in plugged it in and it started right up. All the sensors in the cars are a pain. No longer can you just check for spark and fuel and find your problem.
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Old 02-01-2011, 09:37 AM
  #16  
Dj96cnvrtblgt
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Ok, it's not the pats....the fuse for the fuel pump is good, but I am not getting power to the fuel pump....ran grnd from the batt for the test light for insurance, no power, EEC fuse is good, ran power to the fuel pump and it came on and pressurized system but still no start bcuz something is keeping the ignition from creating spark, there is power at the coils but apparently no go signal. It turns over fine but no start no matter how long it sits. The ifs switch is good. Now there is a battery cable connection issue whereas I'm not happy with how they are but they haven't given any problems so maybe I will address that just to eliminate that possibility however slim.
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Old 02-01-2011, 09:40 AM
  #17  
Dj96cnvrtblgt
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Could either one of my problems be secondary to a failure elsewhere? Like if something dies that kills the ignition would the power to the fuel pump automatically be shut down? Or viceversa?
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Old 02-01-2011, 09:43 AM
  #18  
Dj96cnvrtblgt
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Ya know what I'm saying, like one problem looking like two or more bcuz of all the computer stuff
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