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Originally Posted by buickmastermind
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Not a chance!
The issue is with the ignition/spark plugs and wires. Some ignition coils, when old or poor quality, fail to work under certain temperaturs.
Also, as was said before, the motor does have a timing chain issue, but that only applies to the 86-87 3.8l v6. The timing chains, when they would jump a notch, would make it so the valve heads hit on the cylinder heads, and get bent. That was the reason for the upgrade to the less powerful, less efficient 3800.
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Thank goodness for this message. My mom's 89 LeSabre exhibits the same problems in the winter time. My dad still swears up and down it's the fuel pump. Yet, he's changed it at least 5 times since we got the lemon in 1999. He still swears up and down it's the fuel pump since allegedly there was a faulty design causing a weak pressure, flooding and hard starting.
I knew it was something else because his explanation made no logical sense.