E39 / P0092 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Check Engine
Performance loss.
Fuel Pressure Regulator Solenoid Circuit, Short to Short to B+
Fault symptom
Check Engine
Performance loss.
On-board diagnosis
Type of diagnosis:
Enable criteria:
Battery voltage greater than 11 V. |
Engine speed more than 50 rpm. |
Fault criteria:
Control module output short-circuit to B+. |
Fault handling:
(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
Diagnosis regards:
Electrical fault in connecting leads or component. |
Functions in the diagnostic tool related to the fault:
(See also description of readings/activations in diagnostic tool) |