Jly154

Hey guys so I've owned this 94 mustang for about a month and a half and it's been broke down for about a month I've tried everything that I can think of I've replaced the fuel filter and fuel pump and get nothing this problem started after I washed my car took it home and parked it then it wouldn't even crank after so I replaced the battery to block ground wire and it would crank except I wasn't getting any spark or any fuel. So I replaced the ignition control module, the distributor the coil and finally got spark back but only when the spout connector was disconnected so then I started on fuel so I replaced the fuel filter (which appeared to still be the stock one suuuuper dirty) and after I found the filter didn't work I replaced the fuel pump and I got dribbles but nothing more

uedlose

did you hit the rest on the fuel cut. simple but often overlooked

Jly154

I checked that before but I haven't checked it sense I replaced the filter and pump I'll go check it out real quick

Jly154

So I checked to see if the fuel cut off was depressed and it was so I reset it and still got just a dribble I'm gonna replace the cut off depending how expensive it is and see where that gets me

Jly154

I found that the inertia switch is not at fault as I have a 95 f250 with the same switch and tried it on my pickup and it works fine could the fuel regulator be bad? Sense before I had no fuel pressure I replaced the pump and now I it dribbles when I depress the schrader valve on the fuel rail?

Boss_Hotrod

Instead of throwing parts at it get a voltmeter and check for power and ground at the pump. There's multiple things that could cause no fuel pressure and you need to troubleshoot it before wasting a lot of money on parts that arent bad.

You could have a bad pcm, fuel relay, wiring, or inertia switch. just test stuff first.

Jly154

[QUOTE=Boss_Hotrod;8522001]Instead of throwing parts at it get a voltmeter and check for power and ground at the pump. There's multiple things that could cause no fuel pressure and you need to troubleshoot it before wasting a lot of money on parts that arent bad.
I thought bout that but I figured sense most the parts that I've replaced were stock it wouldn't be a bad idea but anyway I've checked the relay under the hood replaced the CCRM fuel pump and the fuel filter the only other thin I could think of would have been the wiring or the Pcm any idea on how to test the PCM?

Boss_Hotrod

Only way to test the pcm is by finding the pins that turn he fuel pump relays on and checking them for power or ground (depending on what they send out).

Jly154

Well I know what I'm doin when I get home thanks for the advice I appreciate it

Jly154

I just had a thought on the obd1 test port under the hood if you jump a connection it's supposed to check the fuel pump or relay or something but I know that the connection powers the fuel pump if I were to try that and the fuel pump didn't kick on would that work as a test point for the ECM?