2017 Buick Regal Spark plugs
0.030–0.035in
Gap · all engines (2.0L L4, 2.4L LEA, 2.4L LUK)
2017 Buick Regal Owner's Manual, PDF page 309
0.75–0.90 mm (0.030–0.035 in)Open the manual at this page ↗Added Oct 16, 2026 · Updated
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Spark plugs (gap) · All engines (2.0L L4, 2.4L LEA, 2.4L LUK) · PDF page 309
0.75–0.90 mm (0.030–0.035 in)
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As printed in the manual
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| All engines (2.0L L4, 2.4L LEA, 2.4L LUK) | 0.030–0.035 ingap | “0.75–0.90 mm (0.030–0.035 in)” | PDF page 309 ↗ |
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