NOISES PROBLEM2000 TOYOTA COROLLA 4 CYL FRONT ...

2000 Toyota Corolla

Tiny

JOHN BATTISTE

July, 11, 2009 AT 8:31 AM

Noises problem
2000 Toyota Corolla 4 cyl Front Wheel Drive Automatic 142000 miles

While driving my car, I hear a hissing sound (like air is going through somewhere) coming from the front of the car.

FOUND 946 RELATED QUESTIONS

1 Answer

Tiny

mmprince4000

July, 11, 2009 AT 9:28 AM

If engine idle changes it is most likely a vacuum leak.

Also look at radiator hoses for leaks.

There are a couple vacuum switching valves, one for EVAP system on throttle body, it will usually click but can hiss.

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