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Home >> Suzuki >> 2006 >> XL-7 Premium, 4WD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine General Information And Diagnosis >> Diagnostic Information and Procedures >> DTC P0101: Mass Air Flow Circuit Performance >> DTC Troubleshooting
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DTC Troubleshooting

DTC DIAGNOSTIC TROUBLESHOOTING CHART

Step Action YES NO
1  Was "Engine and Emission Control System Check" performed?  Go to Step 2. Go to ENGINE AND EMISSION CONTROL SYSTEM CHECK .
2  Visual inspection 
  1. Check for the followings.
    • Objects which block prove of MAF sensor.
    • Other air flow which does not pass the MAF sensor.

Are the above items in good condition? 		 Go to Step 3. Repair or replace.
3  MAF sensor performance check 
  1. With ignition switch turned OFF, install scan tool.
  2. Start engine and warm up to normal operating temperature.
  3. Check MAF value using scan tool data list function referring to SCAN TOOL DATA  for normal value.

Is normal value indicated? 		 Intermittent trouble. Check for intermittent referring to INTERMITTENT AND POOR CONNECTION INSPECTION . Substitute a known-good MAF sensor and recheck.
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