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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Idle problems 89 460

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Old Jan 10, 2012 | 08:59 PM
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Biggwrm
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Idle problems 89 460

I've got an 89 C-350 with 460/e4od I'm having a couple problems with.

I just picked up the truck, so don't have a real history on it.

But the truck does not seem to have a fast idle when cold.

I pulled codes for KOEO in all I got was a 93
For CM I got a 33 and a 41

Any ideas would help alot
I tried A new ECT sensor. ( not installed but plugged in) No help
I disconnect IAC and the truck dies. Though the Iac seems to be original. Has a sticker that shows 10/88 build. Tested 9.5 ohms.
 
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Old Jan 12, 2012 | 10:22 PM
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Anyone.

Bueller?....
 
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