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Hard stumble off idle, 93 Dakota

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Old May 20, 2016 | 01:48 AM
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ILuvYahuah's Avatar
ILuvYahuah
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From: Keizer, OR
Default Hard stumble off idle, 93 Dakota

Just yesterday I bought a 93 Dakota with a V8 swap from the original owner. I've found that the truck will die at idle and stumble hard just off idle, but to compensate more pedal is applied and it's hold on to your hats ladies time. Does anyone have a suggestion about what could cause this and / or a fix?
 
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Old May 20, 2016 | 03:09 AM
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Is the motor carbed or fuel injected?

If EFI, have you checked the IAC (Idle Air Controller)? If carbed, have you checked the idle speed and mix?

RwP
 
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Old Jun 17, 2016 | 02:21 AM
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ILuvYahuah
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I replaced the IAC as it is EFI. I have replaced the plugs, wires, distributor cap and rotor. When I first replaced the IAC...it ran fabulous for 3 or 4 days...then the same issues. Today I got on it a little bit, love the sound it makes...like a jet taking off....the rest of the day while idling in city traffic it just died a number of times at idle.

If I run it stop and go...doesn't tend to die, take it down the freeway and blow the carbon out and won't idle for anything.
 
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