No Injector pulse

[West875]

Im not at all familiar with the mechanics of the turbo buicks, I have 84 t-type that ran and drove pretty fair but i parked it for a week and it will not start now, I let a friend lookat and he said it was the fuel pump so I replaced it but the car still wouldnt start so he put on the noid light to see if the injectors were getting a pulse and when he tried no pulse, the car is getting spark to the plugs and has fuel pressure, can anyone tell me what could be causing this problem

 

[West875]

Can someone please help me with this

 

[Mad_Trbo]

Is the car catching at all, meaning it turns over and then runs but dies. Or is is just simply cranking with no run condition?

Not familiar with the 84, but I am wondering how you know the car is getting fuel pressure (guage)? Additionally you didn't unplug anything did you?

Fuel pump relay is my first check, since you replaced the fuel pump, the plug near the tank is my second check then I begin to ask what did you do to the car while it sat for aweek.

Change battery, batter cables, hotwire fuel pump??

 

[West875]

It just turns over but doesnt catch, the reason i say it has pressure is because the guy put on a guage and said it had correct fuel pressure(psi??) but i did nothing but drive the car and parked it for a weelk and when i returned to it it would not crank.

as far as i know the car is completly stock, i bought it 2 months ago and i dont know much about it

 

[GNVenom]

Check for voltage during crank at the CCCI connector (backprobe the terminals) at the last two wires (pink/black stripe). I think they're pins N and P for the 85 CCCI. If you don't see 12 volts during cranking and key on, check the CCCI fuse and the ECM SOL fuse.

 

[West875]

I checked all the fuses and all of them are fine, I even replaced all of the fuses with new ones to be sure and the cars still will not start

 

[84BuickGNYorkPA]

This site might help you Vortex Turbo Buick Performance Check under the troubleshooting section, hope this helps.

Chuck

 

[West875]

I had 1 mechanic tell me that it could be the ignition module. Is that possible even though the car is getting spark to the plugs?

 

[West875]

any1 know where i can find am ignition module for 84 t-type for cheap?

 

[2turboRX7]

check/replace crank sensor. Think 84/85's have one. Been yrs. since I had one. Good Luck.

 

[West875]

so if crank sensor is bad will the car still have spark to the plugs?

 

[Lee_Burough]

This site might help you Vortex Turbo Buick Performance Check under the troubleshooting section, hope this helps.

Chuck

This is good advice. Poke around there and look under the troubleshooting section for 'no start'

 

[FastRegalWE2]

do have a way to see if you are getting an RPM signal during cranking?

I just went through this with my 87, had spark, no injector pulse. Mine was the TPS was bad, reading WOT during start so the ECM shut off the injectors in Clear Flood Mode

Im not familiar with the 84 though

 

[Mad_Trbo]

do have a way to see if you are getting an RPM signal during cranking?

I just went through this with my 87, had spark, no injector pulse. Mine was the TPS was bad, reading WOT during start so the ECM shut off the injectors in Clear Flood Mode

Im not familiar with the 84 though

Wow that had to be a bugger to find.