1993 Legacy electrical and engine problem

[biggman100]

I have a 1993 subaru legacy awd wagon with a 2.2l that has a bad #2 injector. It has the 5-speed manual transmission. I replaced a whole list of stuff for a bunch of reasons, but the biggest has been a new motor due to the old one blew from overheating.

 

I have replaced the motor in this car twice in less than a month, one because it blew up, one because the one that i bought to replace the original had bad head gaskets, so now im on the third engine, only because it was cheaper for this engine than replacing the head gaskets in the other one.

 

Now to my problem. I took it in and had it put on a scanner because it has no power and has a hard miss. The scanner came back and said a bad #2 injector. After replacing the injector it still ran the same, and after doing some serious checking i found that a couple of the metal lines on the intake were crushed plus a fuel line somehow got bent beyond repair,

 

so I replaced the intake, along with the fuel rails and injectors, and all the metal lines on the intake, and the entire engine wiring harness, with the one off the engine with the blown head gaskets. The problem is still there. A dealer said change the ecu but would the ecu just all of a sudden stop working on just that one injector?

 

Also i cant seem to find the ecu in that car, any ideas on where it might be. Before i pulled the motor that had the bad head gaskets it was running fine, it just had no heat and we traced it to bad head gaskets, and then i changed to this motor and now this problem shows up.

 

One of the things i really need to find is a wiring diagram that will show which wires for that injector go where, and what color they are. I already bought a haynes manual but the wiring diagrams in that book arent that good.

 

I also had the entire interior out to replace because before i bought this car someone used it for a dog house, or at least thats what it looked like because the interior was all chewed up. But after i put the interior in it it ran fine with the previous motor.

 

My other question is if the timing belt is off one tooth on the #2 and #4 injector side could that cause just the #2 injector to stop working. Thank you all and any help given will be greatly appreciated.

[biggman100]

As a P.S. I have also replaced the water pump, timing belt, thermostat, flushed the radiator, replaced the clutch, and the heater core. One last question: is the ecu from a 1992 legacy 2wd wagon the same as the ecu in the legacy awd wagon.

[Skip]

Mr. Biggman,

Would you please so kind as to edit your post

and put in a few strokes of the "enter" key.

 

I tried three times to read the entire post and got lost every time.

 

I see you are new here and would like to help

but

my old tired eyes are having a tuff time.

 

Your ECU is under the dash - remove the panel that

is above your knees when driving to see it.

 

If it is an auto tranny the first brain box you

will see is the TCU

 

The engine ECU is to the outboard side.

 

 

Please do not misconstrued my first comments

I am trying to help.

[Cougar]

For the injector problem I would check the wiring to the #2 injector and see if there is a problem with it. You should be able to get a pin number from your print that it ties to the ECU at. It sounds like there is a break in the circuit to the injector somewhere.

[biggman100]

The only diagram i have showing the wiring to the injectors doesnt have any pin #'s or what pins on the ecu plug correspond to what. It also doesnt have any wire colors listed, which is why i have been searching unsuccesfully to find a diagram with all the relevant info.

[biggman100]

I just wanted to let everyone know its fixed and now i feel like an idiot. I was just goofing off trying different things, changed the #2 spark plug and wire and it runs perfect, who knew that a bad plug could cause that. Thanks to everyone who tried to help.

[Olnick]

Don't feel like an idiot . . . you solved the problem!!!