2001 Chevrolet Impala "rpm fuel pump bad" Questions

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...RPM's Fuel pump puts out 50 psi at idle and lowers to 48 when given gas. Am I looking at a bad fuel pump? Did you view sensor data parameters on a professional type scan tool ? What are the fuel ...

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Question about Chevrolet Impala

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...wont run One part which can do that is a bad crankshaft sensor. This sensor reads the rpm and gives you the fuel to make the rpm. If it is not reading all of the rpm, fuel delivery will fall

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...fuel pump pressure with RPM. Misreading RPM by bad crankshaft sensor lowers voltage to fuel pump. Fuel pressure regulator can charge injectors for start and then fail to maintain pressure. Check your ...

Question about Chevrolet Impala

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...rpm slowly decreases as it comes to a stop. I've changed the fuel filter. Don't know what else it could be. How To Test The Fuel Pump 1990 2000 3 0L Ford Taurus You are on the right track in ...

...starting fluid but you must keep rpm above 1000 or it will stall. Check the fuel pressure from the fuel pump and be sure the fuel filter is not plugged. Sounds as if you might have a bad fuel

...RPM , power loss, like a dirty fuel filter - pickup screen, tackometer ticking 100-200 rpm at a steady speed. Truck has a manual trans. sounds like a bad fuel pump or fualty aftermarket pump/also i ...

...RPM signal you most likely dont have fuel or spark., Easiest way to check for if you only have a fueling issue is spray a little brake clean into the throttle body. If it starts and stays running ...

...fuel filter . added fresh gas , it drove stronger but still strugled Sounds like your Plamath gasket. If its a Fuel injector system. Also could be a bad fuel pump not providing enough gas at high

...fuel filter/pump, jeep will die at low speed/rpm. upon acceleration it will jump really bad. while at idling rpm will jump to 1500 to 2000 rpm and will lunge forward or it will lose rpm and just die. ...

Question about Chevrolet Impala

1 Answer

ECM greater than 250 RPM if it is not the fuel pump will not turn on. The use of a labscope works here or a generic scan tool with live data will show this. This problem necessarily gives engine codes

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