Finally all back together; but....

Headlights to tailights and everything in between.

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STi_GUY
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Finally all back together; but....

Post by STi_GUY »

OK, here goes:

I rebuilt my EJ22 over the past few months and I finally have her back in the superbaru. I have everything connected except for one sensor. I looks like a black hockey puck the size of a quarter. It has a hole through the center for the bolt that attaches it to something. There is one wire leading to the sensor and it seems to be magnetic.

Question 1: What the hell is it?

Question 2: Where the hell does it go?

The engine turns and is getting fuel (checked the lines from the filter), spark, and air of course. I really dont know if its the timing or what, but I NEED HELP.

I am fortunate enough to work at a car dealership, so I have transportation as long as I need it, but I would really like to be driving the soob.
Cody
1994 Legacy Ti Wagon (Estate)
2.4L of N/A fury :)
Awesome vendor: http://home.att.net/~teaguesauto/index.htm
THAWA
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Post by THAWA »

hehe, that's your knock sensor, see this thread for more info: http://bbs.legacycentral.org/viewtopic.php?t=15957
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vrg3
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Post by vrg3 »

Yeah, it's the knock sensor.

Are you having trouble starting the engine? A missing or damaged knock sensor wouldn't cause failure to start.

Did you do any electrical work? Or did you just rebuild the engine? How did you verify that you're getting spark?
"Just reading vrg3's convoluted, information-packed posts made me feel better all over again." -- subyluvr2212
STi_GUY
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Post by STi_GUY »

vrg3 wrote:Yeah, it's the knock sensor.

Are you having trouble starting the engine? A missing or damaged knock sensor wouldn't cause failure to start.

Did you do any electrical work? Or did you just rebuild the engine? How did you verify that you're getting spark?
A wrench and a plug wire, thats how :D
Cody
1994 Legacy Ti Wagon (Estate)
2.4L of N/A fury :)
Awesome vendor: http://home.att.net/~teaguesauto/index.htm
STi_GUY
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Post by STi_GUY »

But yes, I am having trouble starting it. The trouble is... IT WONT. It will turn over, over and over, but that it. I dont get it. Could there be another reason? Timing? Plug Gap? Fuel pressure regulator? What could it be?
Cody
1994 Legacy Ti Wagon (Estate)
2.4L of N/A fury :)
Awesome vendor: http://home.att.net/~teaguesauto/index.htm
vrg3
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Post by vrg3 »

You didn't answer my question about electrical work. Did you change any of the vehicle's wiring at all?

You checked that you were getting fuel by seeing if the fuel lines at the filter were full? Did you check the return line too?

You might try listening to the injectors with a stethoscope while the engine is cranking to see if they're clicking.

Are your plugs new and correctly gapped?
"Just reading vrg3's convoluted, information-packed posts made me feel better all over again." -- subyluvr2212
STi_GUY
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Post by STi_GUY »

No. No electrical work at all.

Return line has fuel going back to the tank.

As for the plugs, the machine shop put them in so I'll check them tomorrow for the correct gap.
Cody
1994 Legacy Ti Wagon (Estate)
2.4L of N/A fury :)
Awesome vendor: http://home.att.net/~teaguesauto/index.htm
georryan
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Post by georryan »

If your going to pull htem out you might as well just put new ones in. They are only like a buck and a half a piece and after take them out that little mettle washer won't seal like it is sapposed to.
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STi_GUY
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Post by STi_GUY »

Well, It seems that this has been replaced once before I got the car back in '99. The washer is missing alltogether. Either way, I have it at my buddies' shop and thier working it out. I'll relay the info...

...and we didnt use a tow-truck either... just a strap, the soobs tow bar, and my Dad's Tahoe. Kamikaze style :D
Cody
1994 Legacy Ti Wagon (Estate)
2.4L of N/A fury :)
Awesome vendor: http://home.att.net/~teaguesauto/index.htm
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