DTC P1316. Need help!

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Jul 28, 2009 | 11:40 PM

#46

PaysonPSD

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Joined: Nov 2007

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From: Payson, AZ

I would swap solenoids with injector #3 and retest. If you get a P0267 it is a bad solenoid. If it comes back with another P0273 you have a wiring problem, most likely a short to ground on the #5 injector lead. Don't forget to clear codes before re-testing.

Jul 31, 2009 | 02:50 PM

#47

gpbourgeois

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I'll be dam. I got a bad Reman IDM. I swapped mine with a friends 2002 7.3 and it started right up and ran perfect. I bought my IDM from Auto Computer Exchange - 5414 Stirling Road, in Davie, Florida. They are sending me another unit. However, that doesn't help me recover the $200 I wasted on replacing the pass side vc gasket and uvc wire harness, the $300 scanner I bought, all my time over that last two weeks it took to troubleshoot to get to this point, and a day of work missed. I woulnd't buy from them again.

Jul 31, 2009 | 07:54 PM

#48

PaysonPSD

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Joined: Nov 2007

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From: Payson, AZ

Quote:

Originally Posted by gpbourgeois

It happens to the best of us.

At least you know what's wrong. You also learned a lot of valuable things along the way. The scanner will always be useful.

Thanks for letting us know what you eventually found.

Jul 31, 2009 | 08:15 PM

#49

F350-6

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Joined: Mar 2007

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From: Texas

Quote:

Originally Posted by gpbourgeois

Well you could have still wound up missing the work, waiting a longer time, and spending more money if you had just had the truck towed to a shop in the first place.

Now you've got a scanner and the understanding that things need to be diagnosed before throwing money at parts. Most mechanics have a scanner, but they tend to throw money at the problem based on what the scanner says instead of verifying things.

I think you saved money in the long run. Too bad there's not a way for us common folk to test an IDM before plugging it in.

Aug 1, 2009 | 02:34 PM

#50

dartol

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Joined: Aug 2000

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From: Texas

Same problem

I am having the same problem with my 2002. I tested the resistance at the valve cover gasket connector today and everything appeared to be fine. Now I am in a similar quandry... invest in a scanner that can run the Ford diagnostics or go ahead and take it to the shop. I suppose it is either the IDM or a bad injector, so should I risk just buying a new one?

What scanner did you find for $300? Cheapest solution I have found so far is the Autoenginuity for a laptop but that is at least $350 with the Ford extension package.

Here are the schematics I found for these connectors if anyone is interested in seeing the details.
http://superdutymods.blogspot.com/20...-troubles.html

Darren