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post #3 of (permalink) Old 06-13-2019, 10:24 AM Thread Starter
hdude
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Join Date: Jul 2017
Location: SE Arizona
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Initial Testing

Got the AE test software and ran it. Has a P0281 - Cylinder 7 Contribution Failure.
Ran the test to deactivate each cylinder and when all but #7 was disabled, the power dropped. Nothing changed when #7 was disabled (tailpipe still blew white/black smoke).
The balance test showed #7 low @-300 with #1 &#2 @-100, #3 varying from +50 to -200, #4, #5, #6 @0 and #8 @-50. (I replaced #3 5000 miles ago)
All Injectors clicked during buzz test.
FICM runs no lower than 48v.
Smoke is diesel. Doesn't appear to be coolant. No contamination or pressure buildup in cooling system.


I am waiting on compression tester to arrive tonight but probably will be tomorrow.

I am considering to start removing components to get to the injectors.



Any input at this point would be appreciated.

hdude

2006 F350 Lariat CCab Dually FX4, 205K, Bilstein 5100s, EGR Delete, BPD Cooler Relocate, BPD WaterPump, Coolant Filter,

Upgraded BlueSpring and easy to fix common failure points.
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