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Discussion Starter · #1 ·
Hello, we've got a 1999 IH with a DT530E, it'll crank but won't fire, and it does smoke after 5-10 seconds of cranking. Check engine light is on, but the only code is SID29/FMI4 for "remote throttle".
(1)Check engine light cycles, then comes on for the "remote throttle" code
(2)Computer hooks up and performs normally
(3)Computer and dash both show 200 RPMs while cranking
(4)Desired ICP is 843.5 psi, actual reads between 850-1011 psi on computer(verified with an inline gauge)(2-3 minutes to drain down to 0 psi so the rail and injector seals are good, right?)
(5)Disconnected ICP pressure sensor - still no start
(6)Dead-headed HPOP pressure is 4500 psi
(7)Injector "buzz" test passes
(8)Fuel pressure while cranking is 40-45 psi
Any thoughts or testing ideas would be greatly appreciated! Thanks in advance
 

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Discussion Starter · #2 ·
Progress note: After a whole lot more trouble shooting and diagnostics, when I unplugged the oil temp sensor, it started. Plugged the sensor back in - no start. Unplug the sensor, it starts.🤯
 
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