Do you have a check engine light and when was last tune-up? Check and test below
1. Excessive fuel pressure can be cause by restricted fuel return line
2. Defective Oxygen Sensors.
3. Leaking injectors and fuel pressure regulator.
4. Coolant temperature sensor out of calibration.
5. Restricted air intake system.
Friday, December 30th, 2011 AT 10:33 PM