Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Mass or volume air flow circuit range/performance problem

Toyota Corolla (E120): Mass or volume air flow circuit range/performance problem

Dtc p0101 mass or volume air flow circuit range/performance problem

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Fail–safe chart
If any of the following codes is recorded, the ecm enters the fail–safe mode. Check for intermittent problems Hand–held tester only: by putting the vehicle’s ecm in the check mode, the 1 trip detection logic is possible instead of the 2 trip detection logic, and the sensitivity to de ...

Inspection procedure
Hand–held tester: 1 Check fuel tank cap assy(check that fuel tank cap is toyota genuine parts) 2 Check that fuel tank cap is correctly installed 3 Inspect fuel tank cap assy 4 Check filler neck for damage Remove the fuel tank cap.  visually check the fuel inlet pipe for ...