Diagnosis of malfunctions in the oil circuit
CAUSE | SOLUTION | |
Low oil pressure after engine start | very hot oil | Ignore if the oil pressure returns to normal after depressing the accelerator pedal. |
Too low oil pressure at low engine speeds | Oil pressure relief valve closes open due to contamination | Disassemble and check the valve. |
Too low oil pressure at normal engine speeds | Too little oil in the engine | Add oil. |
Suction hood filter dirty | Disassemble the oil pan. Clean the suction filter. | |
Oil suction tube loose or broken | Dismantle the oil pan, check the oil suction tube. | |
Oil pump wear | Remove the oil pump and check it, replace if necessary. | |
Bearing damage | Disassemble the engine and repair it. | |
Oil level warning light on | Oil level too low | Add engine oil. |
The electrical circuit is broken, the control device is faulty | Eliminate the open circuit, check the contact of the plug, if necessary, replace the control electronics in the dashboard. |