Bad IAC characteristics on a 97

[nsjuice]

I tried a search but couldn't find on my GEn II. 97. But based on the searches I came up with, it's totally the IAC gone bad.. but I've only been able to find descriptions to replace it on Gen I motors.


It idles bad, dies after a quick step on the throttle. I can't seem to find what the IAC looks like on the engine.

While the car was idling, I disconnected a power wire to a component that resides on top of the valve cover on driver side-thinking the car would die.. but nothing.

Looks like EGR valve?

Where is the IAC located if it is the culprit?


This happened to me about 4 months ago, but after a few cranks.. it went away.


* I might add, theres a slight humming coming from that component that I disconnected.

 

[nsjuice]

The IAC is the silver canister that sits right on top of your intake, it's right it front of your face.

Thanks 96hotrod, I also saw the post of the picture you put up. Thank you.

Is it certain that it's a bad IAC valve?


What about the component i disconnected??? shouldnt it have died when I disconnected power to it? or idled even rougher?

 

[kustomizingkid]

The red circle is the IAC, the blue circle is the EGR.

 

[nsjuice]

Thanks KuztomKid you beat me to it..


Now what is the Yellow in my picture? excuse the dirtyness of my car, havent cleaned since I moved last year.

Is it because of the IAC the part in yellow in my pic is not functioning/making humming noise?


How do I test IAC at this point to make sure it's the culprit?

 

[kustomizingkid]

The thing you circled in yellow is part of the PVC system.

 

[nsjuice]

The thing you circled in yellow is part of the PVC system.

How come when disconnected while "bad idling" nothing changes?

Can/should it be cleaned to see if it will function again?

Also, will a 3rd party IAC valve suffice? or does it have to be from Ford?

 

[94m5]

Napa, or advance will be fine.

 

[nsjuice]

Napa, or advance will be fine.

gracias for the reply.


If it's not one thing, it's another - Story of my life.


Thanks for all the help.

 

[unity]

Never mind..

 

[94m5]

GEn2's did'nt use a solenoid. They had a electric motor/cable driven system like the cobras.

 

[nsjuice]

Since I located the IAC thanks to KKid..

I tested it by simply pulling the harness off of it. DUH. i amaze myself sometimes on how dumb i can be.

anyway..

Off to the parts store later..

Thanks for the help guys.


Let me put in some keywords for future Searchers:

Low Idle, bad idle, 1997 1998 IAC valve, IAC location, EGR valve,

 

[nsjuice]

dammn my picture compared to KKid's puts Marks to shame.. I need to clean her up.

 

[kustomizingkid]

It isn't my engine... it's google's

 

[shiryu0]

the yellow part is the evap solenoid aint it? pcv is behind it.....

try cleaning the IAC, mine started to act up after i got my car, i clean it about every 6 months and its been fine, going on 4 years...........

 

[turn_on68]

The red circle is the IAC, the blue circle is the EGR.

Pardon me, I have asked this before and no one replied. What is the black plastic strip on the passenger side of engine compartment and what is it covering? I have a '98 and it doesn't have that strip.

 

[turn_on68]

the yellow part is the evap solenoid aint it? pcv is behind it.....

try cleaning the IAC, mine started to act up after i got my car, i clean it about every 6 months and its been fine, going on 4 years...........

My computer told me I had a bad coil on plug,(got codes read for free at advance auto) and also the IAC. Well the bad coil can cause the IAC to also read bad I was also told. but to be safe I took off the IAC turned it over and poured Seafoam in it, let it sit a few minutes then balancing up side down on the intake I started the car a few times (it will not really start and I think that got the seafoam into the IAC and cleaned it, plus the new coil on plug and it runs so smooth again. So this may help you?

 

[kustomizingkid]

Pardon me, I have asked this before and no one replied. What is the black plastic strip on the passenger side of engine compartment and what is it covering? I have a '98 and it doesn't have that strip.

Picture?

 

[turn_on68]

Picture?

I was referring to the pic of under the hood of the red mark with the yellow circle in it. Never mind I found it on mine too,seems to cover some huge wire or loom of wires?