TECHNICAL SERVICE BULLETIN: SERVICE ACTION: ENGINE LOT INSPECTION AND SUB-ENGINE & TURBOCHARGER REPLACEMENT (SA458) - This bulletin provides information to inspect the engine Lot Number and if necessary, replace the sub-engine assembly and turbocharger on some 2021MY Stinger (CK) vehicles equipped with Theta 2.0L T-GDI engine, produced from October 14, 2020 through October 17, 2020, which may exhibit reduced engine performance with loud noise and/or MIL �ON� with DTC P029900 due to poor oil flow to the turbo charger.
