edit: sorry guys, posted in wrong section, could it be moved to tbi? thanks.

hey guys, i'm jake. i have a 1991 camaro rs, i have had it for about a year, and it's spend a ton of time in the garage. it was carb'd and i had some issues with it, so we put a tbi back on. i think the distributor is wrong because the car is fast off the line, but falls on its face after 3k rpms and it won't start unless the timing is off. today i found this cable unplugged in the engine bay, i have no idea what it's for. it says "17 ped" on it.

 

How many pins and what color are the wires?

 

looks like air temp sensor from air cleaner assembly

 

the wires are pink and a greyish color. the pink one has a stripe on it. 2 electrical prongs on it.

 

i do have a problem with the air temp intake sensor, it just dangles around in my engine bay because it won't stay in the intake. but this wire is different. the car is running really rich (you can smell it) could the air temp sensor not being in the intake be why?

 

on my TBI 305 that connector is for my MAT sensor, (manifold air temperature sensor) without it the car will idle really rocky like, and run pig rich

 

thanks! now, it's in a encased sleeve with a bunch of wires, and i can hardly pull it out, it will only come out a few inches, and there are no plug-ins around there. where does this thing plug into?

 

theres a guy with a similar problem as you his name is aarons92maro check him out

 

not sure how i can contact him, it says he is banned. are there any threads on here about the distributor problem?

 

hmmm interesting, see where that tit is for the vacuum line just foreward of the distributor? thats is where my MAT sensor is mounted

 

The connector is for the EGR solenoid.

The pink/blk is ignition switched power, the gray is from the ECM.

Can see it in the lower left corner of Chevy8588's picture. Of which I am not sure why his IAT sensor is in an intake manifold runner.

RBob.

 

okay, i just printed the picture off, and went out to my car, there is no plug in for the IAT sensor. it's gone, there is nothing around the distributor.

 

If the IAT isn't there the SES light should be on with code 23 set. On a TBI Camraro/Firebird the IAT is located in the aircleaner. Not really in it, but inserted into the housing from the outside.

Since it was carb'd there is a good possibility that the SES bulb was pulled.

RBob.

 

Don't worry about the IAT sensor location, just move it somewhere cool.

But yes, the wire you've shown is the EGR solenoid connector.

Which explains why there is no vacuum line connected to your EGR valve in your first picture, unless you removed it.

You can buy the EGR solenoid at a local auto parts stores if it's missing/deleted, as well as some vacuum line, the source for the vacuum on the solenoid comes from a port on the front of the TB.

Hope this helps, I'm guessing this stuff was removed by a previous owner? any more questions just ask.

 

The stock IAT location is in your air cleaner dish, there is a little hole cut out for it in the stock cleaner.

 

My 305 had an aftermarket edelbrock air cleaner on it, that could be why the snesor is there, but do know that is a MAT (manifold air temperature sensor) not an IAT there, either way it doesnt matter, hello TPI

 

Yeah, I'm pretty sure they're considered the same, someone correct me if I'm mistaken there.

It's technically the "Manifold Ambient temperature" sensor.

 

oh ok lol