i just picked up a 91 si and its giving me 3 codes. 1) 3 manifold absolute pressure. 2) 16 Fuel injector and 3) 17 vehicle speed sensor. my question is how do i go about fixing these 3 things. any help is appreciated.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JDMfrontedLS &raquo;</TD></TR><TR><TD CLASS="quote">i just picked up a 91 si and its giving me 3 codes. 1) 3 manifold absolute pressure. 2) 16 Fuel injector and 3) 17 vehicle speed sensor. my question is how do i go about fixing these 3 things. any help is appreciated. </TD></TR></TABLE>

Well you really need a helms manual at least to tell you where everything is so you can check to see if it is all plugged up and ran right, these codes are pretty common after poorly done swaps so somebody may have had the motor out at one point. If you know how to read schematics and diagrams then you can find out pretty easy why the codes are on.

 

JDMfrontedLS - if you know waht the codes are, then do some more research on what it actually means.

Code 3 - Electrical error, its not plugged in or something is shorting. Bad sensor, possibly.

Code 17 - make sure the speedo cable is plugged in, make sure the VSS is in and bolted down securely.

Code 16 - Check all injectors to make sure they work. Replace em with a known good set of Injectors.

VtecSyndrome the link in your sig, doesnt work.

 

thanks for the replies and i did a little research but i i just wanted to reference everyone on here if they ran into these problems and if there is an easy fix.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 4sd4dr &raquo;</TD></TR><TR><TD CLASS="quote">
VtecSyndrome the link in your sig, doesnt work. </TD></TR></TABLE>
I know and I am pissed, I have to wait for my webmaster to update his account before my site is back up. I am trying to be patient because he is my best friend but DAMN it has been a week now and it was suppossed to be up by now at the latest so I don't know?? My fingers are crossed.

 

back to the topic...

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JDMfrontedLS &raquo;</TD></TR><TR><TD CLASS="quote">back to the topic...</TD></TR></TABLE>

my bad, good luck with the codes. have you figured it out yet???

 

i reset the ecu and it has giving me any codes yet (wishfull thinking) but i bought some fuel injector cleaner so hopefully that helps that. but the others i dunno.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JDMfrontedLS &raquo;</TD></TR><TR><TD CLASS="quote">i reset the ecu and it has giving me any codes yet (wishfull thinking) but i bought some fuel injector cleaner so hopefully that helps that. but the others i dunno.</TD></TR></TABLE>

Reseting it may have been all you needed, the problems may have been fixed when you bought the car but just had not had the ECU reset. I hope that is all it is

 

yea thats what i hope it was... but btw i just cleaned the hell out of the inside and it looks like a whole different car... but i need new carpet...

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JDMfrontedLS &raquo;</TD></TR><TR><TD CLASS="quote">yea thats what i hope it was... but btw i just cleaned the hell out of the inside and it looks like a whole different car... but i need new carpet...</TD></TR></TABLE>

join the club, my carpet has 210,000 miles on it and is shot to hell on the driver side. ACC carpets looks like a good replacement option from what I have read.