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Home >> Suzuki >> 2001 >> XL-7 Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTCS P2227, P2228 Or P2229: Barometric Pressure Circuit - Performance/Low/High >> Diagnosis & Repair Procedure

Diagnosis & Repair Procedure

WARNING: This page is about a different car, the 2003 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. If during DTC CONFIRMATION procedure DTC P2227 was also retrieved, go to next step. If no other DTCs were retrieved, substitute a known-good ECM, and repeat appropriate DTC CONFIRMATION procedure. If DTC does not reset, testing is complete.
  3. Check MAP sensor operation. See DTC P0107 OR DTC P0108 . If MAP sensor does not test as specified, replace MAP sensor. If MAP sensor tests as specified, substitute a known-good ECM, and repeat appropriate DTC CONFIRMATION procedure. If DTC does not reset, testing is complete.
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