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c/diesel-mechanics•wren652wren652•3mo ago

Just realized exhaust smoke clues beat waiting on the computer

Honestly, a bunch of shops say to just plug in the scanner first thing now. But I learned to watch the smoke color years ago, and it still gets me to the problem way faster. Tbh, spotted a clogged air filter yesterday from the black smoke before I even opened the tool box.
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3 Comments
patricia167
Wait now, how often do you really see serious smoke problems anymore though? Most cars run pretty clean these days.
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hugow30
hugow303mo ago
Seeing a diesel truck change my mind.
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anna_hill
anna_hill3mo ago
My uncle's old farm truck would belch blue smoke like a cartoon character every cold start. We called it the Smokey Bandit until the rings finally gave up.
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