Help please, showing codes 1271, 1273, 1275, 1277, 1293

[OldGearhead New2Deisels]

Help please. I was a fairly good wrench at one time, doing full rebuilds, race motors, tuning, blowers, nitrous etc but that was long ago. Now I work on automotive stuff when I have to. I am new to diesels. I have a 2002 F250 7.3L with a crank, no start. It tries to start and feels like a 4 cylinder if it does.

I just bought FORScan and am trying to set that up, it’s very confusing so far. I was able to do a buzz test with it. During the buzz test cylinders 2,4,6,8 sound crisp as expected and cylinders 1,3,5,7 sound weak and muted while showing codes 1271, 1273, 1275, 1277, 1293

Just for good measure but I think it unrelated, ICP pigtail was wet with oil so I installed new Ford OEM ICP and threw in a new Ford OEM CPS as well.

Thanks for any input, I appreciate all the knowledge on this forum.

 

[DEEZUZ]

We're you born anywhere from 1946-1964?

 

[OldGearhead New2Deisels]

LOL, 1962 thanks for asking

 

[lincolnlocker]

We're you born anywhere from 1946-1964?

How the fork did you narrow that down?

 

[lincolnlocker]

Help please. I was a fairly good wrench at one time, doing full rebuilds, race motors, tuning, blowers, nitrous etc but that was long ago. Now I work on automotive stuff when I have to. I am new to diesels. I have a 2002 F250 7.3L with a crank, no start. It tries to start and feels like a 4 cylinder if it does.

I just bought FORScan and am trying to set that up, it’s very confusing so far. I was able to do a buzz test with it. During the buzz test cylinders 2,4,6,8 sound crisp as expected and cylinders 1,3,5,7 sound weak and muted while showing codes 1271, 1273, 1275, 1277, 1293

Just for good measure but I think it unrelated, ICP pigtail was wet with oil so I installed new Ford OEM ICP and threw in a new Ford OEM CPS as well.

Thanks for any input, I appreciate all the knowledge on this forum.

Check uvch on passenger side.

 

[lincolnlocker]

Under
Valve
Cover
Harness

 

[OldGearhead New2Deisels]

Thank you! As I’ve lost all cylinders that side, is there a particular trouble spot to look for? Appreciate your help

 

[lincolnlocker]

Thank you! As I’ve lost all cylinders that side, is there a particular trouble spot to look for? Appreciate your help

The connectors. All of them. Just pull that VC and pull thr harness and inspect for ANY burnt spots. May possibly need a 50 cent mod.

 

[blageurt]

Or just buy a new clip kit https://k-mansparts.com/ford-extern...3-powerstroke-di-99-03-f81z12a342a-detail.htm or replace all of it https://k-mansparts.com/ford-under-...oke-di-turbo-diesel-99-03-mccm4884-detail.htm https://k-mansparts.com/ford-valve-cover-gasket-7-3-power-stroke-di-turbo-diesel-99-03-detail.htm