1971 Chevy Malibu Carb Back firing...

1971 CHEVROLET MALIBU
90,000 MILES • V8 • 2WD • AUTOMATIC
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HAZEYES
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My carb is back firing out the top of the carb with a flame when I press on the gas pedal. It run good at a idle but when I press on the gas ....... it back fire and cuts off...... help
Feb 20, 2008 at 1:25 AM
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ILIKECLASSICS
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The eccelerator pump is an inexpensive part, but can be a little complicated to install depending on the type of carb you have. I would check my timing if that is on I would replace the pump. if you have a Holley carb the power valve could be bad.
Feb 25, 2008 at 4:09 PM