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Home >> Oldsmobile >> 2001 >> Bravada V6-4.3L VIN W >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Spark Plug >> Service and Repair >> Spark Plug Inspection >> Spark Plug Usage
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Spark Plug Usage

1. Ensure that the correct spark plug is installed. An incorrect spark plug causes driveability conditions. Refer to Ignition System Specifications for the correct spark plug.
2. Ensure that the spark plug has the correct heat range. An incorrect heat range causes the following conditions:
^ Spark plug fouling-Colder plug
^ Pre-ignition causing spark plug and/or engine damage-Hotter plug
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