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Poor driveability, deteriorating performance, irregular or hesitant acceleration

Symptom: Poor driveability, deteriorating performance, irregular or hesitant acceleration

Poor driveability, deteriorating performance, irregular or hesitant acceleration

Fault symptoms

Poor driveability, deteriorating performance, irregular or hesitant acceleration

Conditions

The following conditions apply for this fault symptom:


• No diagnostic trouble codes in the car with the symptom description in question.


Diagnostic help



See Leak check, fuel pressure, flow capacity and adaptation procedures

Check the wiring

Note

Jiggle the leads and in-line connectors at various points and in different directions to detect any intermittent breaks or short circuits in the wiring. Observe the multimeter, test lamp or diagnostic tool while doing this.