yes 91 and down there are two types.
Check firing order
Disconnect the battery, remove the boot cover and spark plug cables, and pull out the old spark plugs. Put in the new spark plugs, replace the boot cover, and spark plug cables, and reconnect the battery.
show a diagram of a buick park avenue crankshaft sensor
Faulty plug wires or bad coil or coil wire.
3.8 engine?? 1-6-5-4-3-2
i need wiring diagram for 92 buick lesabre
Wiring diagram of what component?
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It passably the Alternator, or the spark plugs. No way to really tell, but that's the common reasons why.
Check
Follow the plug wires down to the plugs. The front three are easy I recommend trying to start on the three in the back first and working downhill! Good luck can be tricky.
A repair manual for the 1998 Buick Park Avenue would have a brakes repair diagram. A popular book is the Haynes Repair Manual.