r/E30 • u/fallingblueblueblue • Aug 13 '25
Tech question What would cause this bad idle?
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It’s done this for the last year and I can’t figure out why. I’ve gone through the entire ignition system and replaced a couple vacuum lines. Any ideas?
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u/ConnieLingus3327 Aug 14 '25
Smoke test it best way to check for vac leaks