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coolant temperature sensor possibly, but more likely (these are common for) ecm, but you can't rule out a ignition

Another possibility is the engine is worn out and has low compression. A sure sign would be that it "uses oil".

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โˆ™ 2015-07-16 19:28:18
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Q: If a 1998 Buick Century 3.1 is slow to start in warm weather and very hard to start in -20 C degrees but the battery and plugs are good what should you look for a computer check?
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