Im getting a code 6 and 17 on my 91 hb. Can someone tell me where those sensors are?

 

what set up do you have, motor, ECU. i have a 91 civic with a b16 and PR3 ECU and im geting a code 2. i would like to know what its for

 

code 2 86-87 Civic
Oxygen Sensor "B" defective circuit or unplugged / defective sensor
code 6 86-98 Civic
ECT Sensor (Engine Coolant Temperature) defective circuit or unplugged / defective sensor
code 17 88-98 Civic
VSS (Vehicle Speed Sensor) defective circuit or unplugged / defective sensor

 

where did you get those codes at and are they the same for 88-91

 

I have a d15b2.