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My weekend vanished thanks to a sneaky air leak in an old Cummins
Back in the early 2000s, I had an old Cummins 5.9L with a rough idle. I figured it was a bad injector and swapped it out. Without good tools, I just went by sound and feel, which was wrong. The real problem was a cracked fuel line letting air in. I wasted hours pulling parts and checking everything. These days, you hook up a scanner and see the issue right away. It shows how much easier things are now, but I kind of miss the challenge. Learning the hard way taught me to be more careful and patient.
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paigec142mo ago
Ugh, this happens with everything now. Like people who insist on making bread from scratch when a bread machine exists. Sometimes easier is just better.
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jade322mo ago
In my first year as a mechanic, 2003, I spent a whole week chasing a ghost problem in a Dodge Ram. Scanners back then were basic, but even today, they can point you in the wrong direction. How is wasting hours on a cracked line better than fixing it fast with a scan tool? That "challenge" just sounds like poor diagnostics to me. Real skill is using all tools available, not glorifying old mistakes.
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Tools help but so does knowing why they're wrong sometimes. Not everything needs to be a big fight about skill.
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