Injectors are pulse width modulated, if you hit them with a straight 12 volts you will burn them out pretty quick. I would remove the fuel rail and injectors and blow them out. Maybe squirt a little WD 40 in them.
"Follow me the wise man said, but he walked behind"
'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost conversion.
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
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