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@glovemeister I'm having a white smoke issue with my truck and did a compression test that yielded similar results to yours on a 250k mile motor. Posted my results here.
@DieselJunkie7.3 thanks for sharing that! How old/new are your injectors?
I also have an OTC injector installer, compression tester with adapters, and OTC speciaility blowby measuring tool/with Magnehelic gauge if anyone sees this in the future and needs to borrow a m 7.3 specialty tool. Hit me up I will ship them out for a decent deposit.
I have no idea the age of the injectors. I'm the 2nd owner. Good chance they were rebuilt by the previous owner who was friends with a diesel mechanic, but unsure. I have some good pictures of them, is there an easy way to tell visually?
I second the loan offering. Will be hanging on to the compression garage and adapter for anyone who needs to borrow.
I have an OBDII to USB adapter and FORScan Lite on my phone but haven't used it yet. This maybe a good opportunity to learn how to use FORScan. I don't mind getting the full version for my laptop either.
Here's a pic of the injectors. Again, as far as I know they're original. Driver Side Passenger Side
Those in my estimates would be original injectors. What are you hoping to use forscan for on your white smoke issue?
Have you unplugged your injectors 1 by one, to see if one makes the smoke go away?
Have you checked your MAT sensor on the front of spider? If you unplug it I think the truck will default value, it factors into temp calculations for timing I think. I've read atleast one thread or two where that resolved the issue.
So I mentioned doing a running compression test earlier and my gauge/hose getting hot. You are supposed to unplug the injector you are testing so it won't fire.
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