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60* out and she struggles to start. I already plan on doing glow plugs, wonder if I need injectors too while I’m in there. 237k and still on the originals as far as I know.
It is just a farm truck that does some occasional moderate towing. I don’t have gauges or plan to install any and don’t want to have to make any other mods. Just thought I would see recommendations for injectors.


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Rosewood Diesel does a good job on their rebuild injectors.
 

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If I was just using my truck for farm use and moderate tows I would just run some kind of cleaner through the fuel like HotShots Secret Diesel Extream and see if it runs smoother. It's guaranteed so you can get your money back. Have you replaced batteries? If you live in a cold area I know from experience cold does bad things to fluid batteries. Also there's a bigger GPR for these engines that is suppose to help a lot. I don't have one naturally. Here in AZ starting is not a problem.
 

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Just install one of these first. Its usually the issue with cold hard starts.

https://cncfab.us/i-30498014-western-snowplow-glowplug-relay-west-56131k2.html

If you still have the issue, be sure you are getting the signal from the PCM ground loop to turn on the glowplugs. It that doesn't work, then ohm out the glowplugs. If you need GP's, then do them and new harnesses, and DO NOT buy cheap Dorman ones or any knockoffs. They really are lower quality.

https://cncfab.us/i-30497743-ford-motorcraft-zd-11-glow-plug-94-5-03-7-3l-f4tz12a342ba.html

https://cncfab.us/i-30497747-ford-uvc-injector-glow-plug-harness-7-3l-94-5-97-obs-f4tz9d930k.html You'll need 4 of them

https://cncfab.us/i-30497746-ford-under-valve-cover-gasket-7-3l-94-5-97-obs-f4tz6584a.html

I have everything on the shelf.
 
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