mild idle surging
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Junior Member
Joined: Oct 2023
Posts: 29
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From: Tampa FL
mild idle surging
2020 F150 5.0L Roush supercharged 28K miles
Today I noticed in park the idle was mildly surging without a difference on the tachometer. My AC and radio were off. It would idle up then back down over and over and it was uniform, the exact same surge up and down it was almost like a pulsing. I had just filled the truck up with gas, over the full mark on the gas gauge. When I went into the store and came back out it was no longer doing it. I think I have had the truck for about 8-10 months now. She is running perfectly. Any idea fellas? A one off thing? Thanks.
Today I noticed in park the idle was mildly surging without a difference on the tachometer. My AC and radio were off. It would idle up then back down over and over and it was uniform, the exact same surge up and down it was almost like a pulsing. I had just filled the truck up with gas, over the full mark on the gas gauge. When I went into the store and came back out it was no longer doing it. I think I have had the truck for about 8-10 months now. She is running perfectly. Any idea fellas? A one off thing? Thanks.
Last edited by billsfaninfl; Jul 27, 2024 at 02:59 PM.
