RPM

Asked by Dec 09, 2008 at 02:54 PM about the Lexus RX 300

Question type: Maintenance & Repair

When  i start my car, my rpm falls back to zero. so, i step on the gas to up it.
what is wrong?

2 Answers

65

there possibly maybe a problem with the tachometer.

1,045

Your IAC (Idle Air Control Valve) needs to be cleaned.

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