SOURCE: oxygen sensor
May have to wait until engine is at operating temp before it will test those components.
SOURCE: my engine light won't go out even after sensors have been replace
remove brackett from under intake manifold to block you will see a gray or green plug look real close and you will see a bare wire or a wire that has been pinched real bad this wire controls heater circuit for the o2 sensors also check fuse # 15.there is a tsb from honda on this problem
SOURCE: How to replace Oxygen sensor? (P0141)
they are on the exhaust one before the catylac converter and or one after the cat. there is a special deep socket for this its not expensive but make sure you change the right one.
SOURCE: 1998 honda accord check engine light on code p0141
SECONDARY HEATED O2 SENSOR HEATER CIRCUIT FAULT SENSOR 2.
SOURCE: oxygen sensor replacement
you need to rent an 02 sensor socket and use a ratchet and the socket to remove it, there are two on the exhaust pipe one before the cat, you can see it on the exhaust pipe and one after. normally the 1at one goes out. cost $75.00 please rate if helpful.
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