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Old 02-13-2006, 12:57 PM   #26
snowjob
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I'd check the connection between the engine harness and chassis harness, I had a broken wire that when the engine was sitting still would read as fine, but when cranking/running the harnesses would pull apart and the signal would not get to the injector. Just a shot in the dark.
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Old 02-13-2006, 12:58 PM   #27
rob
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Quote:
Originally Posted by rob
What happens when you try the 95 ECU on your car?

Is it intermittent or constant? In other words if you unplug the offending injector while it's running, does it run worse or the same?

How do did you verify that the injector is not getting the ground pulse?

-Rob
I'll try again to help.
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Old 02-13-2006, 02:49 PM   #28
swapstar
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is your maf good?
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Old 02-14-2006, 12:47 AM   #29
spoonfedb18a1
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maf is good.

i will check the connection also Snowjob.

i think there has to be some sort of sensor that is telling the Ecu not to send out to the injector.

if none of this works i guess i am going to be trying to find another 95 wrx wiring harness and doing it all over again....?!?!?
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Old 02-14-2006, 09:08 AM   #30
subbyspeed
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seriously, check your wiring from the ecu, all the way out to that injector. Its only 1 injector you seem to be having the problem with. Thats 2 possible wires. Find the pinout on the ecu, do a continuity check from that pin on the ecu connector, all the way to the injector plug. If you have continuity, then the wires aren't broken, but it'll also tell you if you have an odd resistance in there somewhere also.

You need to test it in sections. From beginning to end. And it should lead you to the problem. This has to be a wiring problem from the sounds of it. This check will take you 5 minutes or less if you have the ecu pinouts and things like that handy.
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Old 02-14-2006, 07:11 PM   #31
spoonfedb18a1
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i have the pinouts , but we alreadt did that and also we ran two straight wires from the ecu to the injector ..........that way that eliminates the possibility of a broken wire......
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Old 02-12-2014, 01:04 AM   #32
bl_easy
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Bumping this thread because it's the same issue I have.

93 wrx sedan rhd swap in 96 obs wagon, z4 ecu. the only wiring I had to do was from the R1 plug to the 96 body harness.

This engne and wiring were in a previous car of mine, which ran much better before I wrecked it, then swapped everything to another shell. I spun the back of the car into a wall at 50mph, then drove it home.

Since swapping everything from RHD sedan to RHD wagon, I have replaced the ECU, had the turbocharger rebuilt, and done the GDB coilpack conversion.

I get nothing to injector #4.

I will update next time I get to play with the car.
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