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DTC P2195 Fuel Supply System Lean during Power Enrichment: Troubleshooting

TROUBLESHOOTING CHART

Step Action Value(s) Yes No
1 Perform an On-Board Diagnostic (OBD II) System Check.
Is the system check complete?		 - Go to Step 2 Go to "ON-BOARD DIAGNOSTIC (OBD II) SYSTEM CHECK :"
2
  1. Install a scan tool to the Data Link Connector (DLC).
  2. Turn the ignition ON.

Are any component related Diagnostic Trouble Codes (DTCs) set?		 - Go to APPLICABLE DTC TABLE  Go to Step 3
3
  1. Check the vehicle for an adequate amount of fuel.
  2. Add fuel to the vehicles fuel tank if the tank is almost empty.

Did the fuel tank require fuel?		 - Go to Step 5 Go to Step 4
4
  1. Using a scan tool, observe the Oxygen Sensor 1 (O2S1) voltage while accelerating the engine over 1200 RPM.
  2. The O2S1 voltage should vary from specified voltage (100-900 mV) and occasionally toggle above the specified voltage while accelerating.

Is the O2S1 voltage toggle?		 3507 mV Go to "FUEL SYSTEM DIAGNOSIS :" Go to "DTC P0134 OXYGEN SENSOR 1 (O2S1) NO ACTIVITY OR OPEN :"
5
  1. Using the scan tool, clear the Diagnostic Trouble Codes (DTCs).
  2. Start the engine and idle at normal operating temperature.
  3. Operate the vehicle within the conditions for setting this DTC as specified in the supporting text.

Does the scan tool indicate that this diagnostic has run and passed?		 - Go to Step 6 Go to Step 2
6 Check if any additional DTCs are set.
Are any DTCs displayed that have not been diagnosed?		 - Go to "APPLICABLE DTC TABLE " System OK
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