Engine Performance problem
1991 Acura Integra 4 cyl Front Wheel Drive Manual 180000 miles
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when im driving my car it will randomly start to grog i guess its has a new catalytic converter people tell me its my fuel pressure regulator. its mostly does it when im at a red light and i start to go it will go for about 5 feet then it all of a sudden wont have any power it doesnt shut off or shake or jump it feels like the motor freezes up and it doesnt do it all the time and the car runs excellent! its really weird?

Hi t_sanne

Does the Check Engine Light shows?

Does the problem feel like you have lost the accelerating and suddenly the power returns?

If so, you need to check the O2 sensor. A dignostic scan/test would be the best option.