Inspecting Spark Plugs for Cracks And Wear

This is a plug with 75,000 miles on it that is firing normally. No large deposits, not discolored . Reddish or green deposits would indicate burning coolant. Black, sooty deposits would indicate burning oil.

Also check for hairline cracks in the porcelain insulator (1).

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Fuel Economy, Hybrids & Electric, Car Repairs, Recalls And More.

Question: want location of fuel filter on 2002 buick v-6 3800 model
 Answer: That depends on what model Buick you are talking about. It is either on the right or left side of the fuel tank.