Engine won't idle. Constantly getting gas (Running around 1500-2000 RPMs).
The engine is constantly getting a small amount of gas even when there is no pressure applied to the gas pedal. This makes changing gears impossible unless the engine isn't running. It is running at about 1500-2000 RPMs.
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Depends on system condition. If system is fully evacuated it is one amount and less for the varying degrees of gas that may already be in there.
To refill with correct amount just keep putting gas in there till your suction line registers about 30 lbs, with engine constantly running at about 3000 rpm at an ambient of around 80 degrees. If no gauges keep filling until suction line to compressor gets cold and starts to sweat - then stop!
A standard rule of thumb for fuel mixture screws on most carburators is turn them in all of the way so they seat so don't over tighten them . Then turn them out 2 full turns then start the engine . Then keep turning out 1/8 th of a turn evenly until the engine reaches a speed over idle about 1000 RPMS . With the engine still running start turning them in slowly and evenly . The engine should slow down to idle at about 2 and a half to 2 and a quarter turns from the stop pisition . So when it starts to stumbly a bit its a little to lean so turn it out an 1/8 of a turn or so just do it evenly and you will be vary close to the setting keep in mind the setting will vary depending the ware inside the engine . The idle is a differant story depending on what you have for a control system . Some have a stepper motor that controls the idle and adjusting is limited to the stop screw and the adjustment on the motor . Look where the throttle cable attaches to the carbutator make sure your throttle plates can close all of the way this is not the plate on the top its the ones below it the ones that the adjustment screws for the mixture move when you adjust them in or out. The vehicle should if standard idle about 650 RPMS if automatic around 800 RPMS + or -50 or so RPMS . But it sounds more like you need to rebuild the carburator . you can get a kit for about 30 of 40 bucks and it comes with instructions and all new parts you will need . Just get a can of carb cleaner with the little red tube and spray it into all of the passages and ventures clean every thing and it should work like brand new . Its not that hard to do just follow the derections and don't loose any of the parts there kind of small
I had the same problem. The engine would crank and crank and if I constantly pumped the gas pedal it would keep running, but just a stutter. As soon as I stopped pumping, the car would stall. The problem ended up being the fuel pump relay. On mine, this was in the electircal box on the driver's side of the car. The relay was the one in the back right corner in the electrical box.
The idle air control (IAC) valve assembly on a combustible engine monitors and manipulates the amount of controlled air moving around the throttle plate. The IAC valve is managed by the electronic control module (ECM) of the engine, which calculates the position of the IAC valve. Voltage pulses called counts extend and retract an internal conical-tipped shaft called a pintle inside the IAC valve. When the pintle is extended, the cone-shaped tip positions itself closer to the air inlet and restricts the amount of air allowed to pass through the throttle, building up more air around the throttle plate to increase the rpms of the engine. When the pintle is retracted, it moves away from the inlet and allows more air into the throttle away from the throttle plate, decreasing the rpms. The IAC valve operates and adjusts constantly while the engine is running to help prevent the engine from stalling or surging. This will not cause the engine to misfire!! Hopefully this helps
There is a vacuum leak somewhere in the intake system. A very common problem on these cars is a PCV valve that gets stuck open and replacing that first is very cheap. If that doesn't solve the problem, then you'll have to go hunting. Listening very carefully for a hissing sound in the engine compartment will often lead you to a hose that is off or a gasket that has failed. You can also spray small amounts of aerosol carb cleaner at suspect areas to confirm the leak. The engine will change revs when fed the carb cleaner.