k20rsx1

put a obd1 b16 into my 97 civic i got the 2 wires machin to the iat sensor & it still throwin that code? any suggestions?

also my speedo isnt workin sumtimes it'll jump around... ive swaped out sensors & same **** also replaced the cluster

vtec is a issue as well only engages sumtimes & i dont throw any cels for it... im lost on this

k20rsx1

bump... please help me !!!!

k20rsx1

no one knows anything that can help me diagnose this issue?

fixed the vtec issue was a bad connection.....

but the iat is pissin me off.... doesnt seem to affect the car just hate having a "CEL"

k20rsx1

my obd2 iat was located on the intake tube... but the obd1 b16 has it on the intake manifold so i cut the clip from obd1 harness & wired it in place of the obd2 that was on the car... and "CEL 10" popps up...

k20rsx1

bump... someone plese help me !!!

also vtec still only works when it wants 2... does this IAT sensor have sumthin 2 do with that?

bluelsvtecda9

having same problem someone help us both out

k20rsx1

lol damm ya it sux... its the only cel im throwing too and i know its wired correct

k20rsx1

70 views & no one can help? come on guys please i need this fixd its so annoying

no vtec thinkin this iat code is causing vtec not to engage

Pothole987

im pretty sure VTEC needs to read the speed sensor in order to work.
about the iat, test the plug-in for 5 volts with a multimeter. then check for continuity across the sensor (makes a beep)

k20rsx1

and if its got the 5 volts & continuity? then what? because i know its wired correctly

k20rsx1

also what can i do to see why my speedo is not working....

and the vtec works on occasion... but speedo never wrks...

k20rsx1

i do not throw a code for speed sensor but my mph does not work... and i just replaced the cluster and still nothing ! any ideas on this?

would the speedo not working matter about my vtec even tho i have a socketed & chipped ecu?

turbohatch96y7

iTrader: (15)

you can start by checking the sensor itself
you can put it in your freezer or something to change the temperature then check the resistance it should change from before u put it in and after if it doesnt that means its bad.
the sensor works by the temperature it reads. so as the temperature changes it sends diffrent readings to the ecu.
also buyin a helms manual really helps. it will help with all your problems..
\and pothole987 is right if the cars not moving vtec wont engage and if your speedo doesnt work than the same thing. maybe theres a broken connection to your speedo.

turbohatch96y7

iTrader: (15)

https://honda-tech.com/forums/honda-civic-del-sol-1992-2000-1/faq-need-ecu-pinouts-then-look-inside-478377/

use this thread to check yor wiring from your vss to the ecu and make sure you have good continuity.. and you could also do the same for your iat

k20rsx1

well i took the IAT off and the pat that goes into the manifold is all black & looked broken 2 me... unless they supposed to look broken i think its no good ?

vss dunno whats up i checked the wiring from it loks all good no rips or tears

also like i said im not throwing a cel for vss tho! so im stumped

k20rsx1

bump any more help !!!

turbohatch96y7

iTrader: (15)

its not supposed to look broken.. try just pluging in your iat from the single cam just let it hang for now and see if the light goes away..
and are u reseting the ecu everytime u try to fix it cause most the time the light just doesnt go off either take the fuse out or disconnect the battery..
about the vss if u already swapped it try checking it im pretty sure u just check the resistance on it and see if it fluctuates.. but im not exactly sure buy a helms.

turbohatch96y7

iTrader: (15)

and its always best tto check things not just swap them out if your doing work yourself invest in the right tools like a volt/ohm meter

k20rsx1

tommorow i'll get a iat & vss... see if i have any luck

why does my vtec work sometimes tho if the speedo never works?

InstantClassic

If you haven't already tried it and it is wired correctly try disconnecting your battery for a few minutes. I had a busted IAT sensor, stripped the wires and reconnected, still had a CEL. After disconnecting and reconnecting the battery the CEL went away.

this was on my rsx.