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-   -   HELP: code 91 (https://honda-tech.com/forums/tech-misc-15/help-code-91-a-3103265/)

slowesteg Nov 11, 2012 10:31 PM

HELP: code 91
 
buddies car throwing code 91 FTP. car is a stock 1996 honda civic ex. can't seem to get this code to go away. what's the best and easiest way to get this damn code to go away? he doesnt want to convert to obd1, do to emissions reason. you think swapping to a new 96-98 civic ex ecu will work?

dapimp1814 Nov 12, 2012 01:03 AM

Re: HELP: code 91
 
Check this website out and look at which choice u wana go wit 2 fix ur problem.

http://technet.ff-squad.com/code91.htm

fcm Nov 13, 2012 03:50 PM

Re: HELP: code 91
 
Have you checked the simple things?

Have you checked to see if the sensor is plugged in and there is continuity to the ECU/ECM, light green, [PTANK] yellow/blue, [VCC2] and green/black, [SG2]?

What condition is the gas cap in, is there a "whoosh" of air when the cap is removed? 94

slowesteg Nov 14, 2012 08:36 AM

Re: HELP: code 91
 
wheres the sensor located?

fcm Nov 14, 2012 11:21 AM

Re: HELP: code 91
 
#1 I think...
http://www.hondaautomotiveparts.com/...L+TANK+%282%29 that would be back at the tank. 94


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