air cleaner chevy

I have a 1993 Chevy Lumina 3.1 the car running really rough, the exhaust gas pressure reg. valve.why?

exhaust gas pressure reg. the valve in the upper body and throttle my pipe cleaner air. please help. custom car even remain in operation. thanks

Sounds like the fuel pressure regulator has an internal leak and needs replacing. This car will start to run rough and very difficult because the fuel does not is returning back to the tank and into the induction system. It could also cause a fire if no measures are taken care of very soon

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