High idle after fuel pump replacement

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04-27-2017, 12:32 PM

Bryan Jinnett

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High idle after fuel pump replacement

Hell0, This is a 96 F150 with 5.0 liter. After someone replaced the fuel pump in forward tank the truck has a very high idle like a major vacuum leak. If the vent link is broken or disconnected could that be the cause?

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04-27-2017, 01:59 PM

glc

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Major vacuum leak somewhere, probably in the evap system. Any OBD2 codes?

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