Question about 2000 Ford F150 Flareside SuperCab

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2000 F150 starts OK, but shuts down if I don't give it gas. OK after it warms up a bit

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Cleaning the Throttle body is a very valid check, while you are at it, remove the IAC from the back of the throttle body, and clean it as well.

This could be dirty, and the dirt ( and what ever is causing it to stick ) once heated up, allows it to work. The IAC is what provides air to the truck, when the butterfly is closed ( idle ).
2000 F150 starts OK, but shuts down if I don't - 641ed7b.jpg

2 Bolts ( 7 or 9 mm heads I think ) hold it to the back of the throttle body and the connector, and it come right off. Bit of a reach depending on your arm length.

Posted on Nov 20, 2009

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Try cleaning the throttle body.

Posted on Nov 18, 2009


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Starting problems ford f150 when warm

I saw your post and hope more Experts will follow to answer. There are some controls which use engine temperature to set fuel mixture. Some engines have 2 temperature sensors, one for engine controls and second for dash gauges. The signal from the temperature sensor goes into the brain module and then controls like idle mixture and running mixture are set.

Your problem with black smoke out exhaust would seem to show a rich mixture, like a stuck choke does, but the electronics are used to choke the engine. Either your truck is missing the temperature information, the module is not thinking about correcting engine settings or the solenoids are not responding to the module.

The cheapest part in the process is a temperature sensor, possibly a water thermostat for good measure to insure the water temperature is correct for the new temperature sensor. Usually other things like O2 sensors will throw a code if exhaust is too rich, a bit confusing if no "check engine" alert is present. Hope this helps.

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It sounds as though you need to take the
car to a repair shop & start almost anywhere
& just go thru the entire engine & all it's systems

I can not imply what you do or don't do, in the way of
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check & test done & get caught up

After the fact, i bet you don't have much wrong, other than
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