the 3.8 covers just snap on and off
A faulty crank sensor can do that.
Disconnect the battery of the car, remove the cables and boot covers, and remove the old spark plugs. Put in the new spark plugs, replace the cables and boot covers, and connect the battery.
Change the air filter, spark plugs and wires, fuel filter(if necessary).
Crank sensor has failed,Ignition control module (ICM) has failed,Bad ignition coil pack,
To remove the spark plugs on a 2003 Buick with a 3800 engine, first, ensure the engine is cool and disconnect the battery. Remove any necessary engine covers and locate the spark plugs, which are usually found on the engine block. Use a spark plug socket and ratchet to carefully unscrew each spark plug, turning counterclockwise. Once removed, inspect the condition of the plugs and replace them if needed, making sure to gap the new plugs correctly before installation.
Disconnect the battery, remove the spark plug covers and cable, and remove the old spark plugs. Put in the new spark plugs, replace the covers and cable, and reconnect the battery.
Disconnect the battery, remove the spark plug wires and covers, and remove the old spark plugs. Next, put in the new spark plugs, attach the covers and spark plug wires and reconnect the battery.
Disconnect the battery, remove the spark plug cables and covers, and remove the old spark plugs. Next, put in the new spark plugs, attach the spark plug cables and covers, and connect the car battery.
Disconnect the battery, remove the spark plug cables and boot covers, and remove the old spark plugs. Next, put in the new spark plugs, reattach the boot covers and spark plug cables and reconnect the battery.
Disconnect the battery, remove the intake manifold, remove the spark plug boot covers and cables, and remove the old spark plugs. Put in the new spark plugs, attach the spark plug boot covers and cables, replace the intake manifold and connect the battery.
Disconnect the battery, remove the spark plug cables and boot covers, remove the old spark plugs. Next, put in the new spark plugs, replace the boot covers and cables and reconnect the battery.
Disconnect the battery, remove the cables to the spark plugs and the boot covers, and remove the old spark plugs. Next, put in the new spark plugs, reattach the boot covers, reattach the wires and reconnect the battery.