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Why does my 1972 Ford Mustang with a ford 302 motor rev up and down while idling?

Updated: 10/23/2022

Wiki User

∙ 14y ago

Best Answer

You have a vacuum leak at the intake.

Wiki User

∙ 14y ago

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Q: Why does my 1972 Ford Mustang with a ford 302 motor rev up and down while idling?

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Related questions

What motor is in the 1972 mustang?

In a 1972 Ford Mustang : Either the 250 cubic inch , inline six cylinder engine , the 302 cubic inch V8 engine , or there were ( 3 ) versions of the 351 cubic inch V8 engine

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There is no such thing as a 1972 Boss 302 mustang. They were made in 1969 and 1970. They had 290 horsepower but it was (according to some at Ford) under-rated.

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No, it is equipped with an alternator.

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