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HOMESERVICE MANUALSBUICK2006RAINIER 4.2 S, AWDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM - 4.2L - DTC P0013 TO P0134DTC P0130TEST DESCRIPTION
2006 Buick Rainier 4.2 S, AWD

Test Description

2006 Buick Rainier 4.2 S, AWDSECTION Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. 2:  An HO2S heater fault may set this DTC.
  2. 3:  If the voltage is varying above and below the specified value, the condition is not present.
DTC P0130

Step Action Value(s) Yes No
Schematic Reference: Engine Controls Schematics
Connector End View Reference: Engine Controls Connector End Views or Powertrain Control Module (PCM) Connector End Views
1 Did you perform the Diagnostic System Check - Vehicle? - Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2 
  1. Start the engine.
  2. Command the heated oxygen sensor (HO2S) 1 heater ON with a scan tool.
  3. Wait 15 seconds to allow the HO2S 1 heater current to stabilize.
  4. Observe the HO2S 1 Heater Current parameter with a scan tool.
Is the HO2S 1 Heater Current parameter within the specified range?		 0.80-2.99 A Go to Step 3  Go to DTC P0135 or P0141
3 
  1. Allow the engine to reach operating temperature. Refer to Scan Tool Data List .
  2. Operate the engine at 2,000 RPM for 30 seconds.
  3. Observe the HO2S 1 Voltage parameter with a scan tool.
Is the HO2S 1 Voltage parameter varying above and below the specified range?		 300-600 mV Go to Step 4  Go to Step 5 
4
  1. Observe the Freeze Frame/Failure Records for this DTC.
  2. Turn OFF the ignition for 30 seconds.
  3. Start the engine.
  4. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records.
Did the DTC fail this ignition?		 - Go to Step 5  Go to Intermittent Conditions
5
  1. Turn OFF the ignition.
  2. Disconnect the HO2S 1.
  3. Turn ON the ignition, with the engine OFF.
  4. Observe the HO2S 1 Voltage parameter with a scan tool.
Is the HO2S 1 Voltage parameter more than the specified value?		 800 mV Go to Step 6  Go to Step 7 
6
IMPORTANT: The normal voltage on the high signal circuit is between 400-500 mV.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.