Just installed new Bosch injectors and new fuel filter. Reason for new injectors was because it was hard to start after warming up. Now it starts better than ever. Warm or cold. But now it sputters and cuts out and I can only get 38 mph out of it. Before it ran 43 mph. Also after parking it I notice what looks to like oil or hydraulic fluid on the floor under the motor. It ran great before other than starting problem after warming up. Any ideas?