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I dismissed electronic diagnostic tools as unnecessary complexity until a persistent missfire on an International DT466 proved me utterly wrong.
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the_susan7mo ago
Man, I used to roll my eyes at those fancy scanners too. Had a similar stubborn idle on a 7.3 Powerstroke that drove me nuts for weeks. Finally borrowed a buddy's Snap-on scanner and it pinpointed a failing injector control module in minutes. Never doubted the value of proper diagnostics after that.
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eric_kim7mo ago
Sometimes old school methods get you there faster.
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lane.joel7mo ago
Did you end up tracing it to a specific sensor or wiring issue? On those DT466s, a cracked injector cup can mimic all sorts of electrical gremlins!
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