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1996 f-150 Engine trouble

 
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Old 11-17-2010, 08:28 PM
klingel9066
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1996 f-150 Engine trouble

I've got a 1996 f-150 with the 5.8 engine. I've been having trouble with it cranking lately. Sometimes it'll just sit there and turn the engine like everything is ok but never crank. Other times it'll crank right up. It's not the fuel pump. What could cause it to turn over like that without cranking? Thanks
 
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Old 11-17-2010, 08:33 PM
96ford250
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Its probly the IAC and or the throttle body clean them with some throttle body cleaner and it might fix the problem its kinda common
 
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Old 11-18-2010, 09:09 AM
klingel9066
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i don't know much about engines but since mine is carborated (?), then I don't have a throttle body do I? and what's the IAC?
 
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Old 11-18-2010, 09:24 AM
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The IAC stands for Idle Air Control (correct me if I'm wrong) and it is mounted on the side of your intake, right on the side of the throttle body.

Google Image Result for http://www.supermotors.org/getfile/266545/fullsize/6%20Remove%20IAC%20Plug.JPG

The chap in this picture has his hand on the IAC. Let me know if the link doesn't work. I still don't know how to attach pictures. Quite often you can take the IAC off with two mounting bolts, you'll find that it's usually got a buildup of carbon inside. I sprayed mine out with throttle body cleaner and it solved the problem.
 
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Old 11-18-2010, 09:32 AM
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Originally Posted by klingel9066 View Post
i don't know much about engines but since mine is carborated (?), then I don't have a throttle body do I? and what's the IAC?
You say yours is a 1996 and is "carborated"?
This does not sound right, if it is carburated then no you do not have the throttle body like they are talking about.

Note, carburated engines did have throttle body at the bottom of the unit.

But I would think that your problem is not what they are talking about.
Sounds more like a Computer problem if the is a 1996 5.8L FI US engine.
 
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Old 11-18-2010, 04:51 PM
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I don't know how I did it, but I must have read the post wrong. I missed the part where the problem was an intermittent one. I see what you mean now subford, an IAC wouldn't likely be an intermittent problem. Could it be the Ignition Control on the distributor?
 

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