Help I think I have a bad ECU( stranded)

[presterone]

So I found out My knock sensor wasn't hooked up at all today. The connector (wiring harness side) looked a little messed up and it was hard to plug in but I managed to get it plugged in, then my car wouldn't start. It just cranks and dies it won't idle. I think when I hooked up the knock sensor it shorted the power wire to the ground wire. I checked the MPI fuse and its good. I have voltage to my injectors, fuel pressure is good. Spark is being distributed to my plugs. No voltage at the knock sensor with the key on. Although I am not sure if there is supposed to be until the car is running. I unplugged the knock sensor still the same thing. I am now stranded outside of work. I'm not sure if there is a main ECU fuse that may be blown or something.

 

[Terry Posten]

Does it start up and run for a second or two and then die?

If so, you have a fuel pump power issue at the ECU or MPI relay.

Could be either one.

If it is a fuel pump control issue, I "think" you can power on the fuel pump at the fuel pump test wire by the brake vacuum booster under the hood and it should run but I would not run very long like that.

 

[presterone]

Hahahaha I'm a dick, one of the wires to my Map sensor(speed density) came unhooked. The previous owner had it twisted together and electrical taped. It was just a coincedence that I bumped it while plugging in the knock sensor. I'm a jackass thank god thats all it was.

 

[Terry Posten]

Good deal.