Symptoms Engine oil level drops significantly between scheduled oil changes with no visible leaks; need to add a quart of oil every 1,000–2,000 miles; blue smoke from exhaust; engine stalls unexpectedly when oil level becomes critically low; oil warning light may not illuminate until engine has already stalled.
Why it matters for your claim Strong: safety dimension (unwarned stall), manufacturer-acknowledged defect via TSB and class-action settlement, repeated repair attempts (oil consumption test + long-block replacement) support lemon law claim. 7yr/100k warranty extension keeps vehicles in coverage longer and generates documented repair history.
Typical fix TSB 09-013-22: perform standardized oil-consumption verification test; if consumption exceeds spec, replace engine long block. TSB 09-003-23: warranty extended to 7 years / 100,000 miles from in-service date. Settlement benefit: $340 reimbursement for qualifying long-block replacements.
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