Answer
Jun 16, 2024 - 03:14 PM
Hi there,
The random or occasional check engine light on your 2012 Jeep Grand Cherokee after replacing the battery and spark plugs indicates there might still be an underlying issue. Here are possible steps to eliminate the issue:
1. Retrieve the OBD-II trouble codes stored by your car's computer. These codes pinpoint the specific system or sensor causing the malfunction, a starting point for diagnosis.
2. Use a scan tool to generate the trouble code yourself. Many auto repair shops offer to rent or loan their scan tools.
3. Incomplete repair. There might be an incomplete repair related to the previous work done. Double-check that the spark plugs are correctly gapped and securely installed. Ensure all wiring connectors are firmly locked and secure.
I hope this helps for now!
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