2005 Mustang GT

CrazyChick08

Member
Jun 11, 2020
24
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Hosford
Ugh ok. I have a 2005 Mustang GT. I've had it for 9 months now and it's always had problems with it but the main issue right now is that it's not starting. Now, to break it down a little.. there was a relay that was placed in it from the previous owner and I don't know the reason for it but it does had a separate fuse that runs to it and I had unplugged it then tried started my car then it didnt want to start at all. I took it to a mechanic I know and he said there's no power getting to the fuel injectors or fuel pump but he couldn't figure out anything that could be the problem.
 
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Ugh ok. I have a 2005 Mustang GT. I've had it for 9 months now and it's always had problems with it but the main issue right now is that it's not starting. Now, to break it down a little.. there was a relay that was placed in it from the previous owner and I don't know the reason for it but it does had a separate fuse that runs to it and I had unplugged it then tried started my car then it didnt want to start at all. I took it to a mechanic I know and he said there's no power getting to the fuel injectors or fuel pump but he couldn't figure out anything that could be the problem.
If your "mechanic" can't figure out why you aren't getting power to the fuel pump and injectors, find a real mechanic.

The fuel pump on an S197 is pulse-width-modulated and controlled by the PCM through a fuel pump driver module. The injectors are controlled directly by the PCM. 30 seconds looking at a wiring diagram for the vehicle would have told him that.

Finding an actual technician that knows what they are doing is probably your best bet on this. They'll need to figure out what the relay the previous owner added is doing, and why you're not getting power to the pump and injectors. This is going to mean finding someone that knows how to troubleshoot electrical issues and repair them.
 
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If your "mechanic" can't figure out why you aren't getting power to the fuel pump and injectors, find a real mechanic.

The fuel pump on an S197 is pulse-width-modulated and controlled by the PCM through a fuel pump driver module. The injectors are controlled directly by the PCM. 30 seconds looking at a wiring diagram for the vehicle would have told him that.

Finding an actual technician that knows what they are doing is probably your best bet on this. They'll need to figure out what the relay the previous owner added is doing, and why you're not getting power to the pump and injectors. This is going to mean finding someone that knows how to troubleshoot electrical issues and repair them.
Thanks! The relay went to the AC, so I guess the previous owner bypassed that for whatever reason but I cant understand how that had anything to do with the fuel
 
If your "mechanic" can't figure out why you aren't getting power to the fuel pump and injectors, find a real mechanic.

The fuel pump on an S197 is pulse-width-modulated and controlled by the PCM through a fuel pump driver module. The injectors are controlled directly by the PCM. 30 seconds looking at a wiring diagram for the vehicle would have told him that.

Finding an actual technician that knows what they are doing is probably your best bet on this. They'll need to figure out what the relay the previous owner added is doing, and why you're not getting power to the pump and injectors. This is going to mean finding someone that knows how to troubleshoot electrical issues and repair them.
Why didnt you say that in the first place
 
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