ok guys this is what im workin with its a f250 ford 7.3 2000

you can start it and it will idel hard than after about 2 mins it will start to shake and than die than it will not start if you wait about 20 mins it will start again and do the same thing i have a buddy that owns a shop but does not do much on diesels anyway i put his sannner on it and injectors are good the only codes where p0263 p0266 p0269 p0275 and my exaust back pressure so it does not tell me much i work on a offshore boat doing fishing charters out off freeport and i have 4 trips comeing up i need to have my truck runing any help ??? thanks o and the injector are new and it has a new fuel filtter and a new fuel pump and a oil change with no miles on it

 

Check the passanger side UVC harness where it plugs in to the valve cover. Looks like you have lost the entire passanger side bank...

More then likely its come unplugged.

 

If the UVC connectors are loose you might want to consider buying Ford Part number: 2C3Z-14A163-AB to prevent this from happening again in the future.

Best of luck and let the board know how things work out.

 

All Is good there any other ideas

 

You have checked both the inside and outside connectors?

If not I would check there.

Then I would suspect IDM issues or injector issues.

Everyone of those codes is an electrical injector issue.

 

hey, i just had this issue with my 95 2 mths ago. i swapped the map sensor, computer, crank sensor and everything else i could swap off my buddies truck before i had to take it to the mechanic...it was the wiring harness on the passenger side. you'd have to take the valve cover off to see it, but the harness was all dicked up. my mechanic couldn't locate a harness for this old of a truck (i was in a hurry, this is my job!) so he had to rewire it and buy a new valve cover gasket which has the connector built into it..my whole right side wasn't working. would idle sometimes, sometimes die. i did limp it to the shop about 1 mile away, didn't even think the thing was going to make it! hope this helps.

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btw,i'm sure when you take the valve cover off you will see it messed up. he showed me mine, and the connector was all melted. the injector and i think glow plug wire was shorted out.