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02-05-2006, 06:27 PM | #1 |
Scooby Specialist
Member#: 64029
Join Date: Jun 2004
Chapter/Region:
Tri-State
Location: Potsdam, NY (Tremont, PA)
Vehicle:1999 Impreza L Wagon Sun Bleach Red |
A few random questions (engine related)...
I've identified pretty much everything under my hood except for a few miscellaneous sensors/lines. There is one under the alternator with a single wire sprouting from it, I assume it's a knock sensor? There is also a sensor on right bank (facing the car) right infront of the front fuel injector. I have no idea what it is. Last thing I was wondering, what's the narrow line going from right infront of the left-front fuel injector to the top of the intake manifold? Part of the EGR or PCV system?
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02-05-2006, 11:30 PM | #2 |
Scooby Guru
Member#: 120
Join Date: Jul 1999
Chapter/Region:
AKIC
Location: Where the Navy sends me...
Vehicle:1997 Legacy 2.5GT 1996 Impreza coupe |
The knock sensor is behind the intake manifold, below the throttle body. Without going out in the dark to look at mine I think what you're seeing with the single wire beneath the alternator is an oil pressure sending unit. The sensor on the right bank is probably the coolant temperature sensor, but again I say that without actually going to look at mine. Not sure about the other one.
Pat Olsen '97 Legacy 2.5GT sedan |
02-06-2006, 12:15 AM | #3 |
Scooby Newbie
Member#: 56232
Join Date: Feb 2004
Chapter/Region:
RMIC
Location: omaha
Vehicle:89 325I i don't know |
Patrick got the knock sensor right. its a part of the shortblock and should be on the top of the motor on the drivers side of the engine. Its under the intake manifold towards the rear of the car, held in with a 12mm (or 14mm?) bolt.
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02-06-2006, 12:48 AM | #4 |
Scooby Specialist
Member#: 64029
Join Date: Jun 2004
Chapter/Region:
Tri-State
Location: Potsdam, NY (Tremont, PA)
Vehicle:1999 Impreza L Wagon Sun Bleach Red |
Cool, thanks. Anything on the line leading from the heads to the top of the intake manifold?
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02-06-2006, 07:32 AM | #5 |
Scooby Guru
Member#: 58779
Join Date: Apr 2004
Chapter/Region:
MAIC
Location: The Skook
Vehicle:2015 Honda Fitbox 15 Legacy kid hauler |
*cough*
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02-06-2006, 09:10 AM | #6 |
NASIOC Supporter
Member#: 30669
Join Date: Dec 2002
Chapter/Region:
Tri-State
Location: USA, North NJ, 07456
Vehicle:1998 Legacy 2.5GT Silver Sleeper BK, 5MT |
Cam sensor.
Crank sensor should be right behind the cranl pulley. Knock sensor is under the intake manifold, towards the back and a little to the drivers side. Coolant temp is usually under the intake manifold, towards the back and a little to the passengers side. Oil pressure is under the alternator. The "line" or tube (~1/4" dia) that runs from the rear of the drivers head to what looks like a BOV on the intake is the EGR tube. The hose (~3/4") from the heads to the intake are part of oil vapor recovery and are considered emissions equipment. Last edited by Charlie-III; 02-06-2006 at 09:15 AM. |
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