P0346

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE. Engine stops after start Difficult to start engine

P0346

Fault symptoms

•	CHECK ENGINE.

•	Engine stops after start

•	Difficult to start engine

Note

Check the belt tensioner. See Slow start, jerkiness and reduced driveability

On-Board Diagnostics

Type of diagnosis:

-	Continuous.

Enable criteria:

-	The engine speed exceeds 730 rpm

Fault criteria:

-	Synchronisation signal faulty for more than 62 crankshaft rotations.

Dependents:

-	P0200, P0216, P0261, P0262, P0264, P0265, P0267, P0268, P0270, P0271, P0273, P0274, P0276, P0277 and P1200.

System reaction to a fault:

-	Engine turns off immediately.

OK report:

-	Valid synchronisation signal for more than 62 crankshaft rotations.

Fault handling: (See section Fault handling III, other emissions-related components and functions for more information)

-

Type III.

Diagnostic help

Fault diagnosis concerns an electrical fault in connecting leads or in the sensor.

Functions in the diagnostic tool related to the fault:

-	Read value: Engine RPM

See also description of read value under "Read Values" menu for more information.

Checking the wiring

Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Observe the multimeter, diagnostic tool or test lamp during the check.