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Diagnosis & Repair Procedure

WARNING: This page is about a different car, the 2002 Suzuki XL-7. However, it is still accessible from the selected car via links, so may be relevant.
  1. If engine system check has been performed, go to next step. If engine system check has not been performed, go to A4: ENGINE SYSTEM CHECK  under SYSTEM TESTS.
  2. Replace Bank 1 HO2S No. 1. After replacing HO2S, repeat DTC CONFIRMATION TEST . If DTC P0153 is still set, substitute a known good ECM, and repeat DTC CONFIRMATION TEST . If DTC does not reset, testing is complete.
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