Yet another no start...

[greenmachine07]

Problem; early 99 powerstroke will crank and crank but won't start. It pukes out lots of white smoke that smells like diesel.
Things I've tried ;
New UVCH harnesses
New stancor gpr
New motorcraft glow plugs (less than a year old)
Ran autoenginuty and get codes for cylinder 2, 4, 6, 8 low side open and banks 1 and 2 high somethin or other on the injector buzz test.

Any thoughts would be much appreciated

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[greenmachine07]

Codes are 1272 1274 1276 1278 high to low side open. Idm shutting down that whole fuel bank?

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[jesilvas]

You've probably got a bad UVCH connection somewhere. Maybe the engine side pigtail. RiffRaff has those and you splice in the connector to old wires.
Hopefully not a bad IDM

[greenmachine07]

Uvch harness are all good. All new and engine side has been thoroughly inspected. Will 1 bad injector cause the idm to shut a whole bank of injectors off?

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[greenmachine07]

Anybody got a fresh idea? Goin to clear codes and reset computer soon to see if I can get it running long enough for a contribution test. Just to see if I got a bad injector

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[SCUFFY828]

yes one injector can shut down a whole side if a solenoid is shorted , no need to run a contribution test if it doesnt pass buzz test , work on that part first , just for the record , after every buzz test you should clear the codes or youll keep getting same codes every time , will lead you down the long road to correct diag , resistance test all solenoids on that side and see what the readings are

[greenmachine07]

Good to know! Learn somethin new every day. Ill see what the resistance is and post up some numbers when I get them.

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[greenmachine07]

Well checked out all 8 injectors through the UVCH. All measured between 2.9 and 3.4ohms. So I'm assuming all good. Any other thoughts?

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[greenmachine07]

One thing I forgot. It also came up with codes 1293 and 1294 left and right side banks open. Starting to lean towards a cooked idm but not sure yet.

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[greenmachine07]

Gonna track down a idm to swap in here soon. Hopefully that'll awnser some questions

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