emissions 88 250 with 460

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emissions 88 250 with 460

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Ford >> Ford Trucks, Ford Vans & Ford SUV's >> Ford F-250 & Ford F-350 >> emissions 88 250 with 460

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emissions 88 250 with 460 - 8/12/2008 5:59:47 PM

slewis9910

Posts: 2
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Joined: 8/12/2008
Status: offline

Just had emissions run on my 1988 f-250 with a 460 fuel injected. passed all but the CO % ran 0.01 on idle test at 740rpm which was fine, but failed at 2409 rpm with a reading of 4.30 is this a fuel problem when its on the CO side, runs good for 10 or fifteen minutes then when comes up to temp runs rough with no power. Any suggestions what I should look at.