1992 Pontiac Firebird Engine running at high rpm

1992 PONTIAC FIREBIRD
68,000 MILES • 6 CYL • 2WD • AUTOMATIC
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RIVELLATION
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I lost my air filter during the week, but I only realize it during the weekend. During the week the engine was working fine, but yesterday it start operate at an incredibly high rpm at park (2000-1500rpm).
Sep 21, 2009 at 9:21 AM
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RASMATAZ
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Could be vacuum leaks, dirty idle air control valve and an out range throttle position sensor.
Sep 21, 2009 at 12:34 PM
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RIVELLATION
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can i still use my car even if the rpm is too high?
Sep 21, 2009 at 12:58 PM
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RASMATAZ
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Yes you could but you're straining the drivetrain components and again you're burning fuel when its not necessary
Sep 21, 2009 at 1:02 PM