Sounds like its being starved. check the fuel line and filter. also the fuel pump. could be the pump wnem it gets warmed up not giving pressure or the filter is blocked. same for the air filter. could also be too much air is in the mix broken vacuum line or gasket on manifold.. if any hissing sounds can be herd with engine running that is the sound of leaking air into engine. some times you cannot hear it or see it, you will need to spray carb cleaner over different areas if the engine sound changes or cuts out itt were the leak is.
SOURCE: Engine sputters as the car accelerates before it
Check your MAF Sensor on your air intake you may need to replace this sensor some are cheap you can go to Auto Zone or any auto parts store to order this or take it to a mechanic and have them diagnose this problem.
Or check your air intake hoses etc if they are loose or just a little your engine will hesitate or run too lean and the engine light may go on.
SOURCE: 2003 chevy impala ls starts then stalls
I have replaced the radiator in my 2003 Chevrolet Impala LS. The car started running hot and shut down. Took it to a radiator shop and found a crack in the radiator. I have replaced 2 thermostats in the car already. I noticed water running from under my car today and it seems it was coming back out of the overflow. I am stumped as to what is going on with this car.
SOURCE: I have a 2002 Chevy Impala, it starts great in the
Engine is difficult to start when cold
Engine is difficult to start when hot
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