Mr Kabimba is alleged to have acted as middlemen for Trafigura in the oil contract awarded by government.
Mr. Kabimba who is also Patriotic Front Secretary General has however charged that he will not be influenced by media reports to quit his position to pave way for investigations.
The Evangelical Fellowship of Zambia has asked President Michael Sata to allow Mr. Kabimba and his defence counterpart Geoffrey Mwamba to step down in view of investigations surrounding their alleged corrupt activities.
Mr. Kabimba was speaking to journalists in Lusaka this morning.
And Mr. Kabimba has expressed confidence that the PF adopted candidate for Mufumbwe Parliamentary by-election Steven Masumba will deliver victory to the ruling party.
He says the ruling party has gained ground in Mufumbwe and further calls for peaceful campaigns ahead of the pools.
Mr. Kabimba has also challenged political parties taking part in the by-elections to denounce violence and commit to issue based campaigns.