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Code 9 OBD0

4068 Views 6 Replies 3 Participants Last post by  BryanK20
So i know what it is (CYP sensor) but what causes this? The CEL came on after driving around for a while and has never came on before. Im running a D15B7 in my 91 HF and everything is OBD0 (dizzy, injectors, ecu). Any ideas?

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9*- Accord Civic CRV CRX Del Sol Odyssey Prelude
85-98** 86-98 97-98 85-91 93-97 95-98 85-98
CYP Sensor (Cylinder)
defective circuit or unplugged / defective sensor
* not a valid code for any throttle body injection Hondas
** not a valid code for V-6 engines
ok cool. thanks for the info
ok well its causing issues for me. sounds like its running on 3 cylinders and sounds like a wrx. is the cyp inside the distributor on these or where is it located?

cool thought so thanks. yea i changed out the distributor and it runs beautiful. thanks all
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