TIAGO BSVI MCE - SERVICE MANUAL

1.2L REVOTRON ENGINE 14 Over cooling Defective thermostat  Remove thermostat and check for proper opening at specified temperature. Defective temperature sending unit  Check coolant temperature sending unit. Replace as necessary. 7. Engine Lubrication System Condition Possible Cause Remedy Engine consumes oil Obstructed air filter or air Inlet  Clean or replace air filter or inlet Worn piston rings  Perform compression or leak-down test Worn valve guide seals or other valve train component.  Inspect valve train components. Repair or replace as necessary Mechanical oil seal, O-ring, or gasket leaking  Inspect engine oil seals and gaskets for visual signs of leakage. Replace seals or gaskets as necessary. Engine does not develop oil pressure Low oil level or Incorrect grade of oil  Add proper grade of oil until level is at the 'MAX' mark on dipstick Faulty oil pressure sending unit  Replace faulty sending unit as needed. Defective engine oil pump/oil pump relief valve stuck open  Inspect oil pump operation. Repair or replace as necessary. Excessive wear of connecting rods, main bearings and journals, or other internal engine components.  Repair/replace engine components. Oil Filter clogged strainer clogged  Clean or replace.