I have a Mercedes that is having an intermittent power loss problem. The problem is usually worse when traveling at slow speeds, and when pressing softly on the accelerator pedal. The power usually comes back if you press down far enough on the pedal, especially when you hit the kickdown switch. I have recently replaced the Air filter, spark plugs, distributor cap, rotor, fuel pump relay, fuel pump, and fuel pressure regulator. When the power fails the car bogs down heavily and feels like it is about to die, yet never has died. The idle is also rough while the symptoms are present. If anyone has any advice please let me know.
- posted
18 years ago