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Why do you have to pump the gas pedal every time you first start your 85 buick regal after is has been sitting for an hour or two?
Wiki User
∙ 16y ago
Your car has a carburetor. It uses a choke to provide rich fuel mixture during cold-start operation. The choke can only change position from cold/rich to warm/lean or back again when the throttle is not completely closed (when you step on gas pedal at least a little bit.) Also, pressing the gas pedal puts a little extra gas into the intake to ease cold starting. The faster you press the pedal, the more gas it pumps out. If you pump too much, you can flood it which can make starting hard.
Wiki User
∙ 16y ago
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