D15, D16, D17 and Mini-Me swaps
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By Geddy
#200355 I have a D15B7 and I could really use some help with this hose coming out of my throttle body.
I cant seem to find where it goes.Ive looked on other cars and it never goes to the same place,and i have had people tell me its a water bypass line,a map sensor line,and a coolant hose. i believe its a coolant hose because it does leak antifreeze but im just trying to get it right
So can anyone tell me where the circled hose goes to cause its plugged. it runs fine and it runs normal temp so idk if it even matters im just curious.
ThanksImage
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By suspendedHatch
#200513 That's your FITV. It connect to the IACV on one side and the back of the head where you have it circled. Yes, it's a coolant aka water bypass hose. Look around somewhere between your thermostat housing and the intake manifold, not far from where you VTEC solenoid would be if you had one.

Whoever told you MAP sensor hose should die.
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By Geddy
#200811 thanks for your help ill check it out
By MG6
#200852 map sensor line? what the... didn't know map sensor has a hose or line for coolant.
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By Geddy
#200880 yeah. me either thats why i said its a coolant line thats just said what some joker from a parts store said.
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By suspendedHatch
#201213 The people that work in the parts store are often times the people who dropped out of mechanic school. Don't be rude, but never believe a single thing they tell you.