E39 / P0193 00

Read the instructions below then start the fault diagnostic procedure.

Symptom: Malfunction Indicator Lamp Possible message on the display Possible loss of performance.

P0193 00

Fault symptom

Malfunction Indicator Lamp

Possible message on the display

Possible loss of performance.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Engine running.

Battery voltage greater than 11 V.

Fault criteria:

When input voltage exceeds 4.8 V for more than 4 seconds.

System reaction to a fault:

Possible Limp Home

Fault handling:

Type III

(See section Fault handling III, "Other emission-related components and functions" for more information.)

Checking the wiring harness

Jiggle the wiring harness at several points to detect intermittent breaks or short circuits. Check also the connector for oxidation or loose pins.

Diagnostic help

Functions in the diagnostic tool related to the fault:

Test value:

Fuel Rail Pressure Sensor

Fuel Rail Pressure

Requested Fuel Rail Pressure

(See also description of readings/activations in diagnostic tool)