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  #1  
Old 01-09-2004, 12:03 PM
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Coolant sensor question

When first use my SVX in the morning it seems to hesitate for the first few minutes and the check engine light is on. I talked to a mechanic and he thought it might be the colant sensor. Would this be correct and if so, how much would I expect to pay for one and how would I replace it? Thanks

Jim
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  #2  
Old 01-09-2004, 12:31 PM
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I replaced my coolant temp sensor myself and bought the part from a local dealer for about $25. In my experience, the aftermarket replacements for these sensors are actually way more expensive than a genuine Subaru part.

The SVX's coolant temp sensor is easier to replace than the Legacy's, I can tell you that. It literally takes five minutes or less.
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  #3  
Old 01-09-2004, 05:37 PM
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Did you replace the sensor due to hesitation? Also, where is the sensor located. And is there a way I can reset the codes myself so the check engine light itsn't on? Thank you for you input.

Jim
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Last edited by Jim SVX; 01-09-2004 at 06:04 PM.
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Old 01-09-2004, 06:25 PM
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Prove it!

Pull the code:

http://dcss.dyn.dhs.org/svx_iw/codes/engine/
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Old 01-09-2004, 07:37 PM
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Quote:
Originally posted by Earthworm
Prove it!

Pull the code:

http://dcss.dyn.dhs.org/svx_iw/codes/engine/
Nice! I'll have to try that tomorrow. Thanks
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  #6  
Old 01-10-2004, 12:49 PM
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Yeah, let us know what you find - your problems could be caused by a bad coolant sensor, but they could also be something else. Do you ever have a hard time getting the car to start?
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  #7  
Old 01-10-2004, 04:25 PM
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Quote:
Originally posted by Mr. Pockets
Yeah, let us know what you find - your problems could be caused by a bad coolant sensor, but they could also be something else. Do you ever have a hard time getting the car to start?
I didnt have a chance to look at the codes today cause I was at work and it is currently 1 degree here in CT . I might have a chance to look tomorrow, but if not I will on monday. I have not had a problem starting it up, just when I first start to drive it hesitates and doesnt run right. Thanks for your information.

Jim
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Old 01-11-2004, 01:35 PM
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me too

Where do i find this sensor on the car, how do I change it. and how much heart ache is this going to be? cause its 20 below and I don't waaannaa....

James
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Old 01-11-2004, 03:27 PM
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Re: me too

Quote:
Originally posted by zavikan
Where do i find this sensor on the car, how do I change it. and how much heart ache is this going to be? cause its 20 below and I don't waaannaa....

James
The coolant temp sensor (the one most likely to fail, anyway) threads into the water pipe that connects the two heads. That pipe is underneath the intake manifold. The sensor itself is on the driver's side of that pipe, and I'm pretty sure that on the SVX nothing else has to be removed to reach it. On the Legacy, I had to remove the snorkus, etc, to reach it. On the SVX it was a 5min affair.
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Old 01-12-2004, 10:20 AM
James Scott James Scott is offline
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Also, since it's at the highest point pretty much of the coolant water, you won't have to drain coolant or refill. This is the easiest part to replace, period! (Behind, underneath intake manifold on driver's side, 2 wire connector)

P.S. Mine cost $15 to 20! (Subaruparts.com or dealer)
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1995 Laguna Blue SVX AWD L - 240K (daily driver) - "ReBuILT" used engine at 236K miles (6/13)
2013 Veloster Red - Driver Now??Dropsprings [1/2" rear, 1" front] with Koni Strut Inserts> Magnaflow Exhaust System> ECUTune Stage 1av1 Upgrade (from 1v4)> ECUTune TCU MOD> Aluminum Crankshaft Pulley> Stainless Brake Lines> Phenolic Spacers> Perforated Brake Rotors (dint like, OEM now)> SmallCar Shift Kit (resting since TCU MOD)> 7-Position Ground System> High-Pressure Fuel Pressure Regulator (resting)> ATF Cooler & Campaign Filter> Yellow Polish Polyurethane Bushings> Pioneer Double-DIN Stereo with JL AUDIO Speakers> Driveshaft Rebuilt with C-Clip U-Joints> 15 Min MOD> 20 Min MOD .. . (2011)
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Last edited by James Scott; 01-12-2004 at 10:26 AM.
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  #11  
Old 01-12-2004, 12:38 PM
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I checked my code and after staring at it for 5 minutes I am positive I have a code 28, which is the knock sensor number 2. I called the dealer and he first quoted me a price of $285 , but then after looking it up he found out the price went down to $65 . My question now is how hard are these to replace? Any help is appreciated.

Jim
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  #12  
Old 01-13-2004, 09:35 PM
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I believe there is a write up on how to change the knock sensors. I'm sure the search button should turn up some results.
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  #13  
Old 02-08-2004, 06:50 PM
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Re: Re: me too

Quote:
Originally posted by Mr. Pockets


The coolant temp sensor (the one most likely to fail, anyway) threads into the water pipe that connects the two heads. That pipe is underneath the intake manifold. The sensor itself is on the driver's side of that pipe, and I'm pretty sure that on the SVX nothing else has to be removed to reach it. On the Legacy, I had to remove the snorkus, etc, to reach it. On the SVX it was a 5min affair.
There are 3 sensors there. One has just one wire going to it so i am pretty sure thats not the one. The other two have a connector with several wires.. There is one closer to the front of the car in a leval possion and one closer to the back of the car at an angle.. Which one is it? I think it is the one at the rear.. Can someone confirm this? Thanks...Jim
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  #14  
Old 02-09-2004, 01:21 PM
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The best advice I can give you is to buy another one and look for the same shape plug. It's a reddish brown color - I remember that much.

Good luck.
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  #15  
Old 02-11-2004, 12:43 AM
James Scott James Scott is offline
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coolant temperature sensor/knock sensors

CTS:
DRIVER'S SIDE ENGINE REAR
UNDERNEATH INTAKE MANIFOLD
REDDISH-BROWNISH PLASTIC "TOP"
TWO WIRES CONNECTED
EASY TO LOCATE
EASY TO REPLACE (little coolant escapes since it's at top of coolant system)
$15 to $20 COST

KNOCK SENSORS: (cylindrical tops, ~1 " diameter)
UNDERNEATH INTAKE MANIFOLD
ONE TOWARD FRONT
ONE TOWARD REAR (DRIVER'S SIDE) OF ENGINE
DIFFICULT TO SEE
EVEN MORE DIFFICULT TO INSTALL
[I've had a pair of K sensors for over a year >> haven't wanted to install THAT bad!]

GOOD LUCK!
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1995 Laguna Blue SVX AWD L - 240K (daily driver) - "ReBuILT" used engine at 236K miles (6/13)
2013 Veloster Red - Driver Now??Dropsprings [1/2" rear, 1" front] with Koni Strut Inserts> Magnaflow Exhaust System> ECUTune Stage 1av1 Upgrade (from 1v4)> ECUTune TCU MOD> Aluminum Crankshaft Pulley> Stainless Brake Lines> Phenolic Spacers> Perforated Brake Rotors (dint like, OEM now)> SmallCar Shift Kit (resting since TCU MOD)> 7-Position Ground System> High-Pressure Fuel Pressure Regulator (resting)> ATF Cooler & Campaign Filter> Yellow Polish Polyurethane Bushings> Pioneer Double-DIN Stereo with JL AUDIO Speakers> Driveshaft Rebuilt with C-Clip U-Joints> 15 Min MOD> 20 Min MOD .. . (2011)
Valentine One Radar Detector with Remote Display - ucan'tseeme!

Last edited by James Scott; 02-11-2004 at 12:51 AM.
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