White smoke and foam in the gas tank indicates antifreeze leaking into the engine somewhere. Do you smell antifreeze? You may have an engine seal leaking, most likely head gasket. It may be affecting the various engine sensors.
SOURCE: car runs rough at idle
clean out ur throttle body, just follow the hose from the air filter to the throttle body. Need 2 people to do this. Don't remove the hose completely from the throttle body. Just enuff to be able to spray ur intake cleaner into the throttle body. Do this especially if its worse when the motor is hot, as this would confirm the problem.
SOURCE: car idles rough and stalls
Have you ever changed the fuel filter? If it's not that, and it's not a vacuum leak, it is probably your idle air control valve.
SOURCE: Hi, my name is Alan,I have a 1990 Pontiac Grand
If the car ran good before you put that sea foam in the tank, there's your problem. I haven't heard one good report about that junk, some swear by it, I've always used that techron injection cleaner, and never had any complaints.
SOURCE: 1995 safari van w stalls when giving it gas.
maybe your iac valve is not working? it takes place of a choke or temp sender to computer could be bad which controls t I.A.C. known as the idle control valve,do you have any codes?
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