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Loss of acceleration hissing sound no power sounds like a vacum hose is off or a leak somewhere

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It sounds like to me you have a plugged catylatic converter

Posted on Aug 02, 2010

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It is that

Posted on Aug 02, 2010


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3 Answers

Why do our air conditioning vents close when accelerating?

Usually that's a vacuum leak, weird on a 2007 as most use servo motors, but classic symptom of a vacuum leak. search under the hood for a small hose off the motors intake that goes into the cab, might come off brake booster.
OR listen inside cab for hissing sound, this might be leaking at the selector head, a relitivly easy fix

Jul 25, 2014 | 2007 Lincoln Town Car Signature Limited...

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Hissing sound when at high RPMs?

you most likely have a vacum leak

Jul 26, 2012 | 1991 Honda Accord

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My 2000 rodeo manual trans. had a loss of power

This sounds like a restricted exhaust system, may have a clogged cat-converter,i would start by checking the exhaust system,and also check the engine for loose vacuum hoses

May 20, 2010 | 2000 Isuzu Rodeo

1 Answer

2007 Mazda 6 four cylinder surges when accelerating. fuel pressure is normal but clears up when you spray a little carb cleaner through air filter.

with what you describe it sounds like you have a vacume leak somewhere on the engine listen close under hood for a hissing dound look for a line off or broken or cracked. the fix or replace the line fix by cutting out bad spot if it will still ereach its destination

Oct 26, 2009 | 2007 Mazda MAZDA6

1 Answer

Loud hissing sounds comming from the intake followed by rough idle then stalling. Not an every time deal,but about 80% of the time

Sounds like a major vacume leak, most likely the fittinng comming out of the intake for your power break booster or a break in the hose going to the break booster. In any case there is a major vacume leak.

Jul 17, 2009 | 1994 Dodge Ram 2500

1 Answer

My mazda 6 is idling and shuts off, and there is a hissing sound coming from the engine you can hear it just can't find where. This all started when the hissing began. I found 3 hoses cracked and I...

You still got a vacume leak, best chk. all your vacume hoses paying close attention to the one that goes to your break booster, it also could be an intake gasget, You can chk. that by spraying a little WD-40 around the intake and vacume lines while its running if it reves up than thats where your leak is, not a whole lot you don't want to start a fire.

Jul 17, 2009 | 2006 Mazda 6

2 Answers

Vacum leak ? air comes from vents when driving when not turned on

sounds like your blend door is loosing vacum check for melted or disconnected vacum hoses (most are plastic) the blend door is controled by one black and one black w/green stripe. As for the e break check for connection or cracked or worn hose end

May 25, 2009 | 1988 Lincoln Town Car

1 Answer

97 Blazer brake pedal making hissing sound

Sounds like a vacume leak from power break booster, when you loose vacume it will stall out the engine if enought vacume is lost. chk. power break booster. and hose from engine leading to booster for vacume leak, booster is under hood, break master cyl. bolts to it.

Feb 21, 2009 | 1997 Chevrolet Blazer

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