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1999
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Catera V6-3.0L VIN R
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Repair and Diagnosis
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Tune-up and Engine Performance Checks
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Spark Plug
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Specifications
Spark Plug: Specifications
Spark Plug
Type
Bosch
FLR-9 LTR
GM
90541059
Spark plug
gap
0.9 - 1.1 mm (0.035 - 0.043 in)
Torque
25 Nm (19 ft. lb.)