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How do you fix a recurring number 3 cylinder misfire diagnostic code on a Buick Le Sabre?
Wiki User
∙ 10y ago
most cylinder misses are caused by a bad ignition wire if they are 5yrs or 60,000 old they should have been changed,same with spark plugs, other problems with Buick ignition system is they have 1 coil that feeds two cylinders they are known to fail also. sometimes one cylinder fails and some fail on both cylinders.if you have a constant miss try changing coil after cetrifiying plug and wires are good. the ignition modules are known to fail by not giving spark signal to coils.you can put new wires and plugs if miss is still there change the cyl with # 3 on it they come cheap now. I you need module that can run you about 250..
Wiki User
∙ 10y ago
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