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Home >> Suzuki >> 2007 >> XL7 Limited, FWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine General Information And Diagnosis >> Diagnostic Information and Procedures >> DTC P0134 or P0154 >> Circuit/System Verification
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Circuit/System Verification

  1. Engine idling, observe the HO2S voltage parameter. The voltage should fluctuate above and below the range of 350- 550 mV.
  2. If the vehicle passes the Circuit/System Verification test, then operate the vehicle within the conditions for running the DTC. You may also operate the vehicle within the conditions that are captured in the Freeze Frame/Failure Records Data List.
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