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Hunting Idle When Warm
I have a 2000 F-550 with a 7.3l that starts and runs great cold. Once oil gets 110-120 degrees, the idle starts hunting. ICP at cold idle is right around 700 PSI, IPR is around 13-14%. Once warm, ICP goes from 440ish-730ish, IPR goes from 5% up to 15-16%. The ... Login to read more. 
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| Engine | 7.3 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2000 Ford F-550 Super Duty XL 7.3L
| Engine | 7.3 L |
| Trans | 4-speed Automatic (Electronic) |
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