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What do you do when your 1989 Buick LeSabre 3800 either idles too fast or too slow and sometimes wont start or stalls?
Wiki User
∙ 18y ago
There could be many reasons including the spark plugs may be worn or not gapped properly if the car does not idle right, faulty spark plug wires, vacuum leaks, incorrect ignition timing, incorrect compression ratio. The culprit could also be the EGR valve or plugged PCV valve, fuel pump not delivering fuel properly, timing chain worn. I would suggest get the car check out.
Wiki User
∙ 18y ago
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