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1987 - 1996 F150 Still running strong! Talk about your 8th and 9th generation Ford F150 trucks.

Cold start

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Old Jan 18, 2025 | 11:33 PM
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Default Cold start

When 5.0 is cold how long will it high idle before returning to 6-700 rpm’s? I converted to mass air and I start the truck it sets at 900-1000 rpm’s for maybe 15-20 seconds then drops to 6-700
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Old Jan 19, 2025 | 12:11 AM
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Sounds normal to me. Both my speed density Fords do the same.
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Old Jan 19, 2025 | 12:12 AM
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Okay maybe it’s nothing to worry about then. Thanks for the reply
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Old Jan 19, 2025 | 12:20 AM
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Here's a good read on what the computer does in different circumstances: https://www.lincolnsonline.com/tech/00239.html
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