IS - 1st Gen (2001-2005) Discussion about the IS models up to the 2005 model

My Is300 Wont Rev Over 3k Rpm's! Help

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Old 08-04-08, 07:54 PM
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931UZFE
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Default My Is300 Wont Rev Over 3k Rpm's! Help

My Is300 Has 212000 Miles On It And The I Checked All The Fluids And There Good But The Car Wont Go Past 3k Rpms Or 70mph. What Could It Be?
Old 08-04-08, 09:50 PM
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Faymester
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sounds like maybe an intake issue ... air:fuel ratio not working so well maybe

(i could be out to lunch, but that's my best guess)
Old 08-05-08, 04:13 AM
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LexusGSXR
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check ur plugs...
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