I have a 1990 ex cab chevy that starts up fine when it warm out. But when it starts getting cold you have to crank and crank on it for a while to get it to start. It will fire right up if you prime the throttle body with a little gas. And it also has fine throttle response and no hesitation when it's in high idle. But when it kicks down in to low idle it has a hesitation when you first push on gas. It will also stall sometimes if you in the gas hard and let out of it fast. Any one had a problem like this before? Any help would be appreciated!
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