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07-24-2011, 09:33 PM
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#1
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You all make me laugh
Join Date: Nov 2007
Location: Dayton
Posts: 3,276
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b18/b20 sensor question
On the back of my b18a1 block there are two sensors. One is the oil pressure switch and to the left of it is another one (its green). What is the green one?
I swapped a b20 motor into my Teg and there is only one sensor that isnt hooked up and its that green one b/c on the bacl of the b20 block where that sensor should be there is a plug there instead of that sensor.
Assuming I have to take the plug out and put that sensor in there but I want to know what that sensor is for....
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Quote:
Originally Posted by Carbon01GT
Welcome to Wiki-ullBsorry, where law enforcement is just one of the many topics that has a plethora of information available.
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At least this idiot gets it 
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07-24-2011, 09:47 PM
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#2
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1,000 posts club
Join Date: Oct 2003
Posts: 1,116
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b18A or B18B?
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B16a TURBO-stock block-
302hp 200tq 11.5psi
12.8@114mph
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07-24-2011, 09:49 PM
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#3
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You all make me laugh
Join Date: Nov 2007
Location: Dayton
Posts: 3,276
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motor i pulled out was b18a1
Motor i put in is b20z i think...jdm version
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07-24-2011, 09:56 PM
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#4
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1,000 posts club
Join Date: Oct 2003
Posts: 1,116
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if its a 2 wire plug looking sensor, its a coolant temp. 94+ engines did not have them
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07-24-2011, 09:58 PM
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#5
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You all make me laugh
Join Date: Nov 2007
Location: Dayton
Posts: 3,276
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ill post up a pic tomorrow but the more research i do the more it looks like its a knock sensor. coolant temp is up front on the head
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07-24-2011, 10:19 PM
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#6
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Wheel Man
Join Date: Sep 2004
Location: Silverthorne, CO
Age: 46
Posts: 998
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__________________
01 wj, lifted and locked.
Last edited by meatmarket; 07-24-2011 at 10:25 PM..
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07-24-2011, 11:31 PM
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#7
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You all make me laugh
Join Date: Nov 2007
Location: Dayton
Posts: 3,276
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Looks like its the engine oil tempp switch...that link was exactly what I needed assuming that is for a b18!1?
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07-25-2011, 12:11 AM
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#8
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Wheel Man
Join Date: Sep 2004
Location: Silverthorne, CO
Age: 46
Posts: 998
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indeed!
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07-25-2011, 12:18 AM
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#9
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Mistake Boner
Join Date: Oct 2003
Location: Cincity
Posts: 10,716
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coolant fan switch, was moved to thermostat housing for 92+ Civics and 94+ tegs.
The 92-93 B18B1's which were OBD-1 I'm not sure about.
Just extend the two wires to the thermostat housing coolant fan switch.
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07-25-2011, 08:13 AM
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#10
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You all make me laugh
Join Date: Nov 2007
Location: Dayton
Posts: 3,276
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This is what the sensor looks like
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07-25-2011, 05:01 PM
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#11
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Wheel Man
Join Date: Sep 2004
Location: Silverthorne, CO
Age: 46
Posts: 998
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right on
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07-25-2011, 09:19 PM
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#12
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1,000 posts club
Join Date: Oct 2003
Posts: 1,116
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coolant temp, has 2 pins on the plug. Knock sensor only has 1 pin on the plug. Both are green. The one in the picture is a coolant temp
Last edited by hybridb18; 07-25-2011 at 09:21 PM..
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07-26-2011, 08:24 AM
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#13
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You all make me laugh
Join Date: Nov 2007
Location: Dayton
Posts: 3,276
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its not the coolant temp. when i pulled it out there was oil on it and after lookin up pics and etc its turing out to be the engine oil temp...
Went and pulled the codes that were being thrown last night and it looks like there are two codes. 5 & 7
5 is MAP sensor
7 is Throttle control position sensor.
Im using the b20 intake mani which is different from the b18a1 mani so Im gonna swap intake manis tonight and hopefully that'll fix the problem.
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07-26-2011, 12:51 PM
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#14
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You all make me laugh
Join Date: Nov 2007
Location: Dayton
Posts: 3,276
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Found out finally about the sensor. Oil Temp Fan switch like its stated. USDM motors have them...JDM doesnt. Its for when the oil temp is still too high when the ignition is shut off that the fan will continue to run until the temp is lowered...so basiclly i dont need it.
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07-27-2011, 12:05 AM
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#15
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Mistake Boner
Join Date: Oct 2003
Location: Cincity
Posts: 10,716
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Quote:
Originally Posted by ullBsorry
Found out finally about the sensor. Oil Temp Fan switch like its stated. USDM motors have them...JDM doesnt. Its for when the oil temp is still too high when the ignition is shut off that the fan will continue to run until the temp is lowered...so basiclly i dont need it.
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I've never heard of that. Fuck I learn something on CSS. Next thing you know I'll be getting an AARP membership......  |
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