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Old 02-19-2014, 07:56 AM   #1
Logrim
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Starting stutter?

I am posting this here because I am not able to find anything similiar concering this problem with my Zetec.

When I start the car it will catch, rev and then die. If I continue to key the ignition the starter will catch again, engine rev and it will start. It does this every time I go to start it. I have a Zetec 2.0 with 200k miles and an ATX. Any ideas or pointers would be appreciated. Thanks.


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Old 02-23-2014, 04:18 PM   #2
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Intake Air Controller

Remove the big air tube to the TB.
The IAC is in the intake manifold under the throttle body plate. Use Throttle body cleaner spray on it as you hold the TB plate in the WOT position to dislodge carbon
and free it up. Next, same, on the running engine.
To replace it, its two bolts, from under car, then gently pull it up from top side by the cable, with care.
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Old 02-24-2014, 03:33 AM   #3
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Moved to "General Technical Chat".
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Old 02-24-2014, 05:41 AM   #4
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AKA: Idle air control valve.

Yes, remove it, clean it, reinstall it, and that should do the trick. This might be best accomplished by jacking up the whole front of the car securely on jack stands- if you have long arms. If you don't, then I hope you're used to working on something you can't see. Remove the battery and air box, reach under the intake manifold, and feel around for the device that looks a lot like this


It shouldn't have a gasket, but you can purchase a gasket at any parts store- it will be a simple paper fiber gasket. You can use a Q-tip to operate the plunger- make sure it moves freely, and closes completely. It is probably getting stuck. And the open-close game that your start / die cycle is causing is breaking it loose.

I would try this before I put the money up to purchase a replacement. I just noticed that this valve runs about $80 at Autozone! Back when I was a kid these things weren't more than $25!
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