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vacuum problems ...help

Old Oct 21, 2006 | 04:19 PM
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vacuum problems ...help

I have 97f250 4x4 about 150,000 miles on it. Itwent bad literally overnight. It run rough and backfires, I lost the power brake and a/c inside. Comes out the defrost. I changed fuel filter and plugs but no change. I pulled hose off throttle body and founf I have no vacuum. Where do I start. Thanks
 
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Old Oct 21, 2006 | 07:21 PM
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Because it has affected your brakes, it is a major vacuum leak. Check your booster and make sure the vacuum line is still hooked up. Follow the line to the other end to be sure its hooked up as well. Use needlenose vise grips, and pinch off the line to the booster, then see if its running ok.
 
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Old Oct 21, 2006 | 07:38 PM
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My booster hose dry rotted. It had a huge leak that caused about the same thing as yours. A big chunk fell off & my truck started running like crap.
 
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