Lubricating oils are used in automotive sector, industrial, maritime and rail. After the process of burning, they become more recalcitrant and could promote great impact to the environment. This study aims to observe the degradation potential of automotive lubricant before (L1) and after (L2) the burning process, using fungi. Were used: Aspergillus tamarii (UFPEDA870), Penicillium griseofulvum (UFPEDA880) and Cunninghamella elegans (TC542) and C. elegans (TC596) to evaluate the degradation potential, second Hanson et al., (1993). The indicator 2.6-diclorophenol-indophenol were used to check the time of biological process oxidation caused by biodegradation. All fungi promoted biological oxidation and there was emphasis to A. tamarii (UFPEDA870) isolated and on consortium with the others fungi. The time spent by these fungi isolates was 2 hours for oxidation of the oil L1 and to L2 was 8 hours. The others fungus isolated furthered the deterioration of L1 in less time then for the oil L2. When in consortium, these microorganisms showed an optimization. In face of what has we conclude that A. tamarii (UFPEDA870) alone and in consortium with P. griseofulvum (UFPEDA880) and C. elegans (TC542 and TC596) is indicated for further studies aimed use commercial these microorganisms to degradation of automotive lubricants.