23 · Diagnostics

P0101 - debimeter signal (beyond upper limit)

Make: Alfa Romeo
Model: 159 Factory Service Manual
Year: 2005–2011
Section: Examiner - diesel electronic management › P0101 - debimeter signal (beyond upper limit)

Fault diagnosisP0101 - debimeter signal (beyond upper limit)

P0101 - DEBIMETER SIGNAL (BEYOND UPPER LIMIT)

1.9 JTD 8V, 1.9 JTD 16V, 2.4 JTD 20V

The diagnostic equipment signals: Error P0101 (flow meter signal), with detail "beyond the upper limit"

This error is detected if there is interference with the signal for the sensor at Pin 42 of the electronic control module.

0	Preliminary checks	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the engine oil level is correct Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY Check that the air intake/vacuum circuit is working properly by carrying out the test See Test 1048OA AIR INTAKE/VACUUM CIRCUIT CHECK Check the condition of the fuel supply circuit and make sure that it is working properly carrying out the test See Test 1040OA FUEL SUPPLY CIRCUIT CHECK Check the operation of the low pressure supply circuit by carrying out the test See Test 1060OB CHECK ON SUPPLY LOW PRESSURE FUEL CIRCUIT	Move on to Step 1	Oil level incorrect	Restore the correct engine oil level Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY
1	Battery voltge check	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the battery voltage carrying out the test See Test 5530BB BATTERY VOLTAGE CHECK	Move on to Step 2
2	Flow meter operation check	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the flow meter is working properly by carrying out the test See Test 1060GG MEASURED AIR MASS CHECK	End of diagnosis

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