If you have a stock carb those things have a million vacuum lines and if they are old and stiff and cracked that can also affect it. also look at your intake gasket and maybe replace it. My car had similar problems and i replaced the vacuum lines and intake gasket and it runs and idles great. good luck
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On many diesels, when I read codes they mention an egr valve, but what they are really talking about is the throttle actuator. What I don't understand is why you no longer have any codes. there are some codes which do not turn on the light on the dash because the computer hasn't decided yet that it is a hard code, so check for them anyway. The symptoms you are describing usually turn out to be either the throttle actuator, fuel rail pressure regulator, or a ripped turbo hose
Hi doesnt sound like anything major as long as it doesnt smoke bad or knock from the engine, it sounds like a decent service would help, try replacing the air filter, fuel filter, give it a decent oil change ( i use castrol magnetec in my part of the world), give the idle air control valve a good clean with mass airflow cleaner or similar. If thats dirty it may fix your problem when cleaned. The hot idle should be approx 500rpm and cold should be approx 1000rpm hope this helps
make sure choke on carburetor is open when engine is warmed up.if all is good .carburetor is lean float bowl is low.in fuel .because the fuel pump weak or fuel filter stopped up.make sure idle speed is correct.
I need to get a clear mental picture of what exactly is happening.
With this said, you stated that the car "runs fine" until warmed up.
Q: When you start the car when cold it idles fine?
Q: If you allow the car to idle until "fully" warmed does the car stall?
Q: As the car begins to warm up, Does the RPM fluctuate abnormally?
Q: Does the car Only stall when you press on the gas pedal or does it stall just sitting and idling in addition to pressing the gas pedal?
Q: If you can drive it while cold does the car stall during acceleration when warm or only at Stop Signs / Lights?
Q: If you wait 20min or so, can you start the car again?
Q: How many miles are on the car?
Problem might be the air control valve, it's located at the right side rear of intake manifold and has a hose going to the air intake duct from the air cleaner, as a test you might try pinching off that hose when the idle is a problem.