Opel Corsa B - Engine jerking while driving, irregular idling | HELLA
Opel
Opel Corsa B
Engine code: X12XE (1997 to 2000)
Engine jerking while driving,
irregular idling.
If there are complaints about the problems mentioned above, the problems could be caused by a defective idle speed control/idle actuator (Figure 2).
The following complaints may be encountered:
- Varying idle speed (+/- 100 rpm).
- Engine jerks while idling.
- Engine does not accelerate properly.
- Engine jerks when accelerator pedal is released.
Under certain circumstances the engine warning light (Figure 1) will also turn on and the fault code P0505 may be stored (Figure 3).
![](/techworld/assets/images/bi_en_elektronics_opel-corsa-b_leerlaufregelung_motorruckeln-im-fahrbetrieb002.png)
Figure 1.
Figure 2.
Screenshot: Diagnosis with Hella-Gutmann_mega macs
![](/techworld/assets/images/bi_en_elektronics_opel-corsa-b_leerlaufregelung_motorruckeln-im-fahrbetrieb003.png)
Figure 3.