1998 Toyota Corolla Noise when foot is on gas

1998 TOYOTA COROLLA
81,000 MILES • 4 CYL • FWD • AUTOMATIC
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HUGH1130
  • MEMBER
  • 1 POST
My car makes a weird noise when my foot is on the gas, it sounds very similar to the noise a motorcycle makes when it accelerates. It s a sound that wasn't there before ( i have only started driving this car recently after it was sitting around in my garage for a year) and passed a clean bill ( the sound wasnt there) before i started driving it. I am wondering if this is an urgent problem as i have received mixed advice on what the sound means.
Sep 2, 2008 at 11:59 PM
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MMPRINCE4000
  • ✓Experienced Mechanic
  • 8,548 POSTS
Not sure I understand what you mean by a "motorcycle sound", but I would check the exhaust system for leaks.

If you did not add a fuel stabilizer to the fuel before storage, then the gas is bad for sure, and will cause varnish to form in the fuel system. So drain the gas, add a varnish remover (fuel system cleaner) to the gasoline. You may have to do this for several tanks to get the varnish out, which can cause injector problems and a host of other driveability problems.
Change the fuel filter also.
Sep 3, 2008 at 11:22 PM
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