Question about 1986 Ford Thunderbird

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When i give my car gas a whistle comes from the engine. It's a high pitch continual sound. When i let off the gas the whistle stops. It sounds like it's coming from the top of the block.70k miles Thunderbird V6

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  • rswalsh May 31, 2009

    yes it idles rough.

  • rswalsh May 31, 2009

    Ya it idles Rough. What if its not the line?

  • rswalsh May 31, 2009

    ya it idles rough

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Sounds like a vacume leak, chk. for a cracked or broken vacume line or maybe one came off. Does it idle ruff? With it running open hood and listen for a low pitch whistle you may have to rev it up a little.

Posted on May 31, 2009

  • ccn7 May 31, 2009

    Look for the a line problem first, don't get real excited yet, my best guess is its just a vacume hose thats off or broke. Remember its a '86 rubber hoses get brittle with cold and heat cycles.

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