help on 2001 - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 4 (permalink) Old 01-23-2008, 01:05 AM Thread Starter
 
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help on 2001

One of my buddies has an 01 F-250 that keeps dying. They already had the cam sensor replaced by ford a week ago. The only code it throws is p1670 EF Feedback not detected. What does this mean?:shrug:
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post #2 of 4 (permalink) Old 01-23-2008, 06:05 PM
rock removal technition
 
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you can try to replace the idm relay, it may be intemittant,
any other codes with the 1670?

1996 psd 5speed 4x4 cc 8' bed, 3" body lift, 35's swamped, dp-tuner, intercooled, custom fuel system, no fan, and a few other goodies, 263k. 349.2hp sold
2003 7.3 4r100 4wd sc 8', xlt 20th anniversary edition
stock cept for duals. 260k sarted out as a 2wd xl work tk
Early 99 CC dually 4x4 4r100 dark lights, dark windows, stainless simulators
99 v-10 4x4 sc sb auto 275hp gas guzzler
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post #3 of 4 (permalink) Old 01-23-2008, 09:11 PM Thread Starter
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where is the idm relay? p1670 is the only code it shows. Thanks
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post #4 of 4 (permalink) Old 01-24-2008, 03:21 PM
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IDM relay is in the fuse box under the hood, not shure off hand which relay.

other possibility is bad fuse, bad relay, open circuit between idm and cpu, cpu.
next steps involve a breakout box to check the coninuity of wires from cpu to idm

1996 psd 5speed 4x4 cc 8' bed, 3" body lift, 35's swamped, dp-tuner, intercooled, custom fuel system, no fan, and a few other goodies, 263k. 349.2hp sold
2003 7.3 4r100 4wd sc 8', xlt 20th anniversary edition
stock cept for duals. 260k sarted out as a 2wd xl work tk
Early 99 CC dually 4x4 4r100 dark lights, dark windows, stainless simulators
99 v-10 4x4 sc sb auto 275hp gas guzzler
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