Corrola when A/C on Engine output not stable?

Question

Hi,This issue has been botherd me since I got this 2004 Corrola. When Ituren on the A/C, the engine's output seems become not stable. Thedangerous situation is when I am tring to park the park, the eginesometime suddenly gives out a strong push and because of the soft brakecomes with the Corrola, I will feel that the I may be lossing controlover the car and thank god every time I can just stop the car before ithits the wall.Then , here is the question, is it normal that with the A/C turned on,the engine's output can suddenly increase by itself?Thanks alot.Feng

fengyie · Accepted Answer

Sorry , typo here, I was trying to say" When I am trying to park thecar".Sorry again for the mistake :) cause my wife was watching me typing...     =E5=86=99=E9=81=93=EF=BC=9A

Ray O · Answer

When the AC is turned on, the engine's output does not suddenly increase by itself. When the AC is on, the AC and engine controls may increase the idle speed. Also, when you are turning the steering wheel at low engine speed, the power steering pump will also send a signal to slightly increase engine speed.

Jimbo · Answer

I have seen a similar situation with a 97 Tercel and have alwaysattributed it to the "small" engine and powerful ac.  It is because theidle speed is increased automatically when the ac is switched on.  Ifit bothers you, I suggest you turn the ac off while parking :)

Corrola when A/C on Engine output not stable?

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