Corroded HFCM drain plug
Postmaster
Joined: Dec 2003
Posts: 4,196
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From: Arizona
Originally Posted by glm racers
I'm thinking that the draining procedure releases trapped air?
You may have a leak in you fuel system somewhere between the HFCM and the fuel tank. I would definitely have it looked at before it cause major problems to the injectors.
New User
Joined: Aug 2005
Posts: 10
Likes: 0
The Ford Motorcraft fuel additive is good stuff. One bottle treats 125 gal of fuel. Make sure to use the one for 6.0 PSD as they make one for the 7.3 and it's different. If you have never used it before, put a whole bottle in (1 quart) when you fuel up and get on the highway and drive it like you stole it. That additive will keep the EGR from coking up and sticking. Sells for about $6.50 a bottle, that's cheaper than any mechanic.
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