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Jeep TSB #9004444
2021 Jeep Wrangler
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- SPRING, Valve For conern of misfire or misfire related DTCs and diagnosis leads to a broken valve spring, please replace all valve springs and contact FCA Redacted Content to FasTrak all replaced parts to QEC for further analysis. If no response in 15 minutes, proceed with repair.
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