Hi, can anyone source out the problem, my friend's car lancer CK 2A model with original engine. since he got replace the gearbox seal, after take off the battery connector, when the replace job done, connect back the battery and found the engine idleling become sometimes very low about 500rpm and sometime 1500 rpm, keep going crazy .......does it need to find the new ecu or just reset the ecu???...or need to drive for few days???? then it will become normal????....thanks in advance.:emoticon_U: :emoticon_U: :emoticon_U:
