Injector fix

I never reported the results of the injector troubles, the shop replaced one injector, the wiring harness, and the valve cover gasket. That cost over $1000! The injector was ~ $580, that was crazy. I really wish I had fixed it myself now. I didn't have the tools I needed though, I need a code reader that can access the Ford extensions and activate the Ford diagnostic tests. I have done some research on those, and plan on getting one that runs on a laptop before I run into trouble again. I am looking at this one: http://www.scantool.net/

Darren

More on Injectors

Well, it is not a disconnect of the wiring, all measures out fine at the harness connectors. I disconnected the plugs and measured the valve cover side from the middle pin (injector power) to each of the injector control pins. All measured very low resistance (just a couple ohms). The glow plugs all measured similar to ground.

Injector Troubles

On my way home the other day the truck started running horrible and shaking like I had a flat tire. When I got home I pulled the trouble code with my Superchips tuner and found P1316, which means the Injector Driver Module (IDM) has its own codes. Of course that requires a special scan tool to access using the Ford extensions.

The best price I found on a scan tool that could do all of that and run the extended Ford diagnostics is on the Autoenginuity software to run on a laptop. Check it out here: http://www.autoenginuity.com/products.html

I did some Google research and found several forum threads on this issue.
http://www.ford-trucks.com/forums/868509-dtc-p1316-need-help.html
http://www.powerstrokenation.com/forums/showthread.php?t=36476

The most common problem is that the under valve cover (UVC) harness comes loose! What, there is a harness under the valve cover? Yes, what a crazy design. The harness plugs into the valve cover gasket and the main harness on the outside also plugs into the valve cover gasket.


I am about to go measure the resistance at the valve cover gasket connectors to see if it has come loose inside. Here are the wiring diagrams I have collected to help figure this out.





Hopefully these will help someone else out with this issue. Let me know if it does!

Darren

Humm, it seems I am in trouble already.. but clicking this link doesn't do anything an I am still able to use the blog. Weird!

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New blog!

I just created this new blog to capture the mods I do to my 2002 Ford 7.3L F-250 Lariat 4X4 diesel.

Darren