my 1986 blazer looses oil pressoure when it warm up and stalls out
Nov 19, 2010 at 8:53 PM
RASMATAZ
✓Experienced Mechanic
75,988 POSTS
Check the oil pressure with a mechanical gauge,if normal replace the oil pressure switch. If abnormal could mean oil pump and engine bearings. The fuel pump and oil pressure sending unit powers the fuel pump when the engine fires up-