Why does my Toyota Prius have a high idle speed?

Why does my Toyota Prius have a high idle speed?

He recommended that i spray the lower opening inside the throttle body (where the IAC valve is located) and spray throttle body cleaner. I did so, and still no results. To my logic, it seems as if the IAC is stuck and thus registering as if its cold and thus that is why i have such a high idle speed.

Why does my Toyota Corolla idle at 2?

Secondly it will idle at 2 or a lil above whne cold, rpms will come down as car warms up, when its fuly warmed up it will idle under 1. are yoiu sure its not cold when doing this? There is something called an Idle Air Control valve.

What causes idle RPMs to fluctuate in Toyota?

Resolved (11/15/15): It was a loose camshaft position sensor. Plugged it in and now the car runs fine. Quite often surging like this is caused by not enough air getting passed the butterfly valve in the throttle body when the butterfly is closed.

What causes an engine to surge at idle?

A surge is usually caused by a fuel system management or drivetrain operation failure. When an engine’s computer can “hunt” or “surge” at cruising or idle speeds it is searching for program compliance, there is a problem elsewhere in the system. SPONSORED LINKS. Article published 2017-01-26.

What’s the idle speed on a Toyota Matrix?

From brand new to just recently, cold idle was around 1000-1200 at most and would decrease until about 800 rpms. The vehicle functioned exactly as indicated up until i left the vehicle for the bumpers to be repainted and i ended up giving the Matrix a short vacation as i was stored for about 2 months without any use whatsoever.

What should the idle speed be on a Toyota 04 XR?

Nah, if the idle is above 1000 after being warmed up with the A/C off, something is wrong. My manual 04 XR idles at nearly 2000 on a cold day when I first start it, but after the engine warms up it goes down to about 700. Your automatic should idle at about the same speed.

What is the idle speed valve on a Toyota?

There is something called an Idle Air Control valve. In the online manual (that is sometimes available in various places) it says “A rotary solenoid type IAC valve controls the fast idle and idle speeds.” It controls flow around a bypass of the throttle plate.