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Testing a front fuel sending unit that reads empty
Hi everyone, I have a 93 F240 4x4 7.3 NA, and I'm trying to figure out how to diagnose a fuel gauge problem that I think is related to the fuel sender. With the selector gauge set to rear, my gauge reads full and drops normally as I consume fuel in my rear tank. With the selector gauge set to...- baby g
- Thread
- Replies: 23
- Forum: 6.9L IH & 7.3L IDI Diesels
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NAPA SCA Precharged Heavy Duty Antifreeze - does it really have SCAs?
Because I'm a nerd, I checked the SDS sheet for NAPA SCA Precharged Heavy Duty Antifreeze. I filled my 93 NA with it yesterday, and was curious what SCAs even were, so I checked the data sheet. It only lists the following ingredients: SDS sheet here ethylene glycol: 90 - 97 weight by volume...- baby g
- Thread
- Replies: 2
- Forum: 6.9L IH & 7.3L IDI Diesels
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Resistance on glow plugs aren't consistent. Possible bad relay. Which to replace?
Hi everyone, You can see below the results of the resistance check I did on my glow plugs on my 93 7.3 IDI NA. My relay clicks about 10 times after the wait to start light turns off. To test the glow plugs, I removed each connector and placed the positive lead of my ohm meter on the top of the...- baby g
- Thread
- electrical glow plug relay
- Replies: 9
- Forum: 6.9L IH & 7.3L IDI Diesels
