E39 / P013B 00

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE lamp on.

P013B 00

Fault symptom

CHECK ENGINE lamp on.

On-board diagnosis

Type of diagnosis:

Once per driving cycle.

Enable criteria:

The following diagnostic trouble codes may not be generated:

P0068

P0101, P0102, P0103

P0106, P0107, P0108

P0112, P0113

P0116, P0117, P0118, P0119

P0121, P0122, P0123

P0128

P013A, P013E, P013F

P0171, P0172

P0201, P0202, P0203, P0204

P0222, P0223

P0300-P0306

P1516

P2119

P2135

P2176

P2270, P2271

Battery voltage must be between 11 - 16 V.

Fuel level over 10%.

Engine running longer than 40 s.

Fault criteria:

Too long response time during the transition from lean to rich.

Dependent:

P013A, P013B, P013F

P2270, P2271

OK report:

Fault criteria NOT fulfilled.

Fault handling:

Type III

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

Checking the wiring harness

Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

Diagnostic help

Functions in the diagnostic tool related to the fault:

Test value:

•

O2S 1

O2S 2

•	Closed Loop

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