Does anybody know where the PA sensor(ABSOLUTE PRESSURE) is on my '90 integra RS cant seen to find a location for obd0 da's. I know in obd1 its inside the ecu... any help would be great i got this stupid code 13 constant.

 

are you referring to the Manifold Absolute Pressure (MAP) sensor?

 

well what is a code 13 on a 90 integra rs obd 0?

 

Atmosphere Pressure sensor, and I am not sure where it is but If you have a 92-93 ecu on your 1990 that can make it through a code 13 because of it having an internal PA like you said.
http://g2ic.com/tegtips/engine/13.html

 

lol. see i cant find this **** anywhere no manual, no search topic. nothing. people only refer to the obd 1 pa sensor which is in the ecu. but obd 0 is suposed to be external???

 

for the record...

90 and erlyer have the PA externally by the passenger kickpanel.

according to mitchell ondemand 91-93 have it internally inside the ecu.
even tho 91 da is still obd 0

thanks guys for all the help, hope this can help somone else..


use the pa sensor testing procedure to check your wires in a 90 and erlyer. for 91-93 reset ecu than try again if problem re-occurs change ecu with known good one, and try again.

as for automatic cars 91-93 u will also need the check the AT control unit casue the pa sensor is wired up with it!