I just bought a 99 Civic SI with Injen short ram intake, the 1 sensor that goes into the intake (not sure what it's for) was taped into the intake and has now fallen out. What can I buy or how should the sensor be plugged into the intake tube? Should I contact Injen for a replacement connector?

 

Its the IAT intake air temp sensro. your car will be goofy without it in. jb weld or apoxy
post a pic of that stuff

 

Is that why i've noticed erratic idling? Engine almost wants to stall sometimes when sitting at a red line right now.

 

yup. stick it in the intake somehow. it needs to feel air pressure going by. kinda like an
o2 sensor how it works but on the other end

 

I'm starting to wonder if the previous owner installed a DX/LX/EX Injen intake, I have no idea how Injen expected a person to install the IAT sensor into the bung they welded onto the intake.

 

my friend has a generic intake tube, stuck the tip of the sensor in the tube and taped the crap out of it. id put it in the tube and apoxy it. (sealing the sensor tip inside)

 

I bought a intake gromet set for drilling holes into intake pipes and what not, I think i'll saw off the bung on the intake and use a gromet and hopefully the sensor will fit in there snug.

Thanks for the help, Rick_Rabies!