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Problems for specific Saturn LS1 years:

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Most reported Saturn LS1 problems

 

Verified for the Saturn LS1

The ignition module or an ignition coil may fail causing an engine misfire, the Check Engine Light may or may not illuminate. Diagnoses will be required to determine the cause and needed repair.

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Verified for the Saturn LS1

A Loose or worn gas cap may cause Check Engine Light to illuminate.

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