One problem related to engine and engine cooling has been reported for the 2003 Volvo S40. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Volvo S40 based on all problems reported for the 2003 S40.
Engine light stays on. I have had 2 mechanics check it out. They don't know why the light is on. I am very concerned about the fuel line problem.
| Engine Cooling System problems | |
| Crankcase (pcv) problems | |
| Engine And Engine Cooling problems |