P0284 after replacing head gasket - Ford Powerstroke Diesel Forum
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Old 10-23-2012, 07:17 PM
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P0284 after replacing head gasket

I just finished replacing the driver side head gasket tonight. It started after about 20-30 seconds of cranking. Now idles rough and it threw a P0284 code. Could this just be because there's air in the oil system that needs to be worked out or do I need to start troubleshooting the #8 injector?

Truck ran perfect before swapping the head gasket. Would just pressurize coolant and puke out the cap.
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Old 10-23-2012, 07:44 PM
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Check ficm harness plugs and injector harness plugs.
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Old 10-23-2012, 09:09 PM
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Send a message via MSN to kmacicek Send a message via Yahoo to kmacicek
When i did mine i had the same problem, mine ended up being a bent push rod that killed the cylinder, once i replaced the bent push rod everything was good.
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Old 11-04-2012, 10:54 AM
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Quote:
Originally Posted by kmacicek View Post
When i did mine i had the same problem, mine ended up being a bent push rod that killed the cylinder, once i replaced the bent push rod everything was good.
Same thing. Found this. P0284 after replacing head gasket-imageuploadedbyautoguide1352058813.749097.jpg

Discovered the exhaust valve bridge wasn't set right.
Berge Ford had both in stock. Replaced them and truck fired right up and now runs great.

$35 in parts sure beats a new injector.


Sent from my iPhone using Autoguide.com App
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