ME9 / P2188 00

Read the instructions below then start the fault diagnostic procedure.

Symptom: Malfunction Indicator Lamp The engine may stop after starting, run unevenly and misfire or run at high rpm.

P2188 00

Fault symptom

Malfunction Indicator Lamp

The engine may stop after starting, run unevenly and misfire or run at high rpm.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

The engine has started and lambda control is active.

An additive adaptation is carried out.

Cooling and intake air temperature 60°C.

Fuel level at least 12%.

Fault criteria:

The additive adaptation factor is less than 8.25%.

Diagnostic help

Diagnosis regards:

Checking air/fuel ratio. With this DTC, the engine will be getting too little air (leak) or too much fuel.

Functions in the diagnostic tool related to the fault:

Test value:

•	O2S1 lambda

•	Additive Adaptation

•	Short Term Fuel Trim

•	Purge Adaptation

•	Airmass Deviation from Calculated

•	Total Fuel Trim

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