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post #1 of 2 (permalink) Old 06-28-2010, 07:55 PM Thread Starter
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Cold miss/ white smoke

This has to do with my sisters truck, so bear with me. She has an early 07 5.9. 1 ton automatic

Bear with me you may have to educate me some since shuuder the thought I'm on of those OLD bowtie guys.

The truck has developed a Cold miss which is getting worse. It occasionally has slight white smoke under load warm.

She took it into dealer since its still under warranty. The told her it had low compression on number 5 cylinder and low fuel flow on #5 But before they would do any work they wanted $780 to drop and clean the fuel tank. If theres dirt in the tank they won't warranty the repairs.. Now hear is where I'm confused.

I looked at it last night. Theres 6 injector lines from the pump to the head. None of them have had a wrench on them.. Is the computer software capable of telling you have low flow on one cylinder? If so why aren't we getting any fault codes.

Next they told her that the fuel from the return line was contaminated. Would you not have to remove the return line to check that? now unless they have some super mechanic I would think there would have to have been some spilled fuel some some where. I could see any where the dust on the return line was disturbed.

I know how My little old 6.2 works. and how my 7.8 ford intimately so educate me on this thing. IF the computer can tell them all that why didn't the give her a computer printout? Instead she got the mechanics notes which is a bunch of chicken scratching you can't hardly read.

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post #2 of 2 (permalink) Old 06-29-2010, 12:16 AM
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im not sure about the computer but maybe look around your area for another dealer, also you might try pulling some fuel out to get tested, it sounds like the dealer is trying to get out of spending money and if you go in there with all the info that you get it might fores them to suck it up and fix the truck

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