Wont Start electrical problems i believe
#1
Wont Start electrical problems i believe
I have a 1993 2wd manual pickup fuel injected 22re.
When I bought it I was told it wouldn't run because of a bad fuel pump
I replaced the fuel pump, injectors, fuel pressure regulator, fuel filter, and completely cleaned the tank. I'm getting good pressure all the way to the cold start injector so I know fuel is not a problem.
(By the way fuel pump was not getting power through stock harness so I ran a toggle switch to manually turn it on and off)
Truck still wouldn't stay running after starting fluid got used up.
I replaced the whole computer unit on top of the airbox, and the actual computer inside down by the passenger footwell. So all of the computer parts are fine.
The truck is in time, I made sure of that and also changed all of the spark plugs and get fire to all of them when individually holding them against the block.
Each cylinder gives good pressure readings about 150 for all of them so nothing is wrong internally.
All of the fuses are fine and after all of this the truck still will not run, any help is greatly appreciated
#2
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From: I live in New Tripoli Pa out in the woods
Brand new injectors?
Did you get the plugs back on correct not corroded??
It seems like the injectors are not getting the pulse to open have you checked them.
If the injectors are the wrong impedance they won`t work.
The AFM and ECU were both new
So between The ECU and the injectors no communication poor connection one or the other is bad
Did you get the plugs back on correct not corroded??
It seems like the injectors are not getting the pulse to open have you checked them.
If the injectors are the wrong impedance they won`t work.
The AFM and ECU were both new
So between The ECU and the injectors no communication poor connection one or the other is bad
#3
So the trucks engine only operates while spraying fuel(starting fluid) into the intake...?
If fuel pressure to the rail(s) is ok then its injector (pulse)signal malfunction.
Distributor pick-up signal coil fault...?
Fuses...?
Poor connection between igniter and injectors..?(Wiring harness)
Poor injector circuit ground...?
Coolant temperature sensor...?
Possible igniter assembly malfunction...?
If fuel pressure to the rail(s) is ok then its injector (pulse)signal malfunction.
Distributor pick-up signal coil fault...?
Fuses...?
Poor connection between igniter and injectors..?(Wiring harness)
Poor injector circuit ground...?
Coolant temperature sensor...?
Possible igniter assembly malfunction...?
#4
Yes I went completely through the entire fuel system again yesterday bench tested the injectors and everything is good, however I'm not getting any voltage through the efi relay when I took meter readings, also tried jumping in the diagnostics box and still no luck so I'm pretty sure its going to be the wiring harness somewhere
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