P0155 Sensor heater Circuit Malfunction (Bank 2 Sensor 1) location whereabouts will i find it on engine? P0711 Trans fluid temp sensor A CXT Range/Performance location -(on top/on bottom etc.)?? Do you have the part code number for both sensors?
Check behind catalityc counter.
SOURCE: i have error codes p0156 p0161
Check the wire harness near the top of the engine in the rear. They were good for rubbing through on the trans fill tube bracket. Judging by the code you have 4 sensors. you would be interested in the drivers side rear sensor.
SOURCE: Ford Windstar 1996 Trouble Codes P0171, P0141, P0161, and P0174
Bank one is toward the front of the vehicle. Sounds like the heated oxygen sensors have gone bad. The Oxygen Sensors are located in the exhaust pipe and require a special socket to remove and replace.
SOURCE: more 99 cougar problems
there is a fuse for the o2 heaters if one of the sensors blew the fuse they will all be out
SOURCE: Error code P0155 o2 sensoe heater circuit
replace the o2 sensor
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SOURCE: Check engine error code P0155
If you used the type you splice the wires, recheck the wires. Sensor 1 should have been the one up closest to the exhaust manifold. I prefer to pay $30 more and get the OEM plug-in type. You might try disconnecting the battery for a while.
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