Got the FORScan gonna play tomorrow !!! Thx

 

Here's what the Buzz test gave me ?? #3 injector is the only one that sounds bad ?? Thoughts??

 

Following a long to see what you find. Hope you find it.

 

It sounds like intermittent connections to me. Wiggling wires might not catch a corroded pin/contact in a connector. How about pulling the 42 pin connector and inspecting for corrosion or burnt pins? Same with each side of the valve cover gasket connectors. Maybe the IDM as well, since it's been touched. Pull and inspect, clean and reseat. Replace questionable UVCH or gaskets with OEM, not aftermarket.

https://www.ford-trucks.com/forums/8...side-open.html

 

What about it showing both banks with problem ??? You think it's just the short confusing **** ????? Thx

 

First things first, ohm out your harness from the IDM plug. Make sure there are no shorts. Shorts are the quickest way to kill an IDM.

 

What's this connector under the mstr cylinder ?

 

Looks like the MC sensor conector.

 

In the 7.3L PSD Tech Folder you will find a Connector Catalog that will list and give you information on most connectors found in our trucks.

Based on the catalog, the "brake fluid level" sensor is pictured below...

 

So just Ohm tested the IDM connector as per the guide in FTE Tech. All checks at 3.5-3.6 except #3 cylinder which was 2.8 which is the cylinder that codes said had a problem. Both #2 test and #3 came up open. I have been over the 42 pin connector. One wire was rubbing on the VC but not rubbed through. Actually all the wiring looks really good. Any thoughts ???

 

That's very commend for the wire rubbing on valve cover. It will short out one side or shut it off dead. Can't speak for the values, not my expertise. But you can move the injectors around to see if it follows. Repair the rubbed wire for sure. If I remember right you changed the IDM? If so you could of got a bad one, it has happened, even with swamps back when.

 

Wire was not rubbed through !!I will put some cushioning under the harness to spare the harness.

 

Solus should be able to monitor PID’s and perform more on-board diagnostic tests than the apps...

You can try swapping #3 solenoid with another injector and see if the problem follows.

The IDM has (4) circuits and switches from bank to bank (L/R heads) as commanded by PCM. Failing to switch banks is a common failure mode for IDM and P1316 is often a ‘death code’ - but, make sure it’s not a wacky solenoid pissing the IDM off before buying another IDM.

 

How would one solenoid shut down the whole bank ??? I'm ignorant !!!!!

 

Based on my limited understanding of the IDM, it can and sometimes will shutdown an entire bank if it sees a problem with one injector or connection to an injector.