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Re: How do you change spark plugs on a 2002 buick regal...
Take the cover off the top and it will be a pain in the rear, 3 up front you cannot see and 3 in the back you cannot see.....might take it to a professional, or a trusted someone
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Is your SECURITY light flashing? If so, you have a V.A.T.S. problem. VATS stands for Vehicle Anti Theft System. Try getting a new ignition key made because the resistance value has probably changed in the one you have. If that doesn't do it you'll need to get a VATS bypass.
metal sheild comes of with sparkplug wire,just spin and pull should come out then remove sheild and slide on new wire and connect back to plug,its just a slide on heat sheild.good luck.
go the cheapest route. replace fuel filter and add SEAFOAM to tank of premiun fuel. replace filter before 500 miles. then add SEAFOAM to gas every 3000 miles to keep lines.engine,fuel pump, and emissions systems clean, ETHANOL problem number 3000
Cylinder number 5 is misfiring. Check spark plug, spark plug wire and ignition coil for the number 5 cylinder. The number 5 cylinder is the closest to the front of the car on the drivers side. With engine running in dark (at night) take a spray bottle of water and lightly mist spark plug wires and coil and look for arcing. Autozone will test coil for free.
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