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Replace spark plugs every 100,000 miles, no plug wires on Saturn Astra

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Problem overview

Our technicians tell us that the recommended spark plug life is 100k miles. The ignition coils are mounted directly on top of the spark plugs, as a result there are not longer any spark plug wires to fail.

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Submitted by Vehicle Owner · May 29, 2025

Published by RepairPal

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Replace spark plugs every 100,000 miles, no plug wires on Saturn Astra

Problem overview

Saturn Astra vehicles with this problem

Need a diagnosis? Trust our Saturn experts.

Search for another problem

Ask our experts about your Saturn.