Adjusting idle speed

steve00117 · 23rd July 2007, 13:12

Hi all, i have a 99 2.0 V6 Is it possible to alter the idle speed or is it controlled by the ECU? Mine idles at around 600 rpm without any aircon or lights etc turned on and seems a little on the low side to me.

Simon · 23rd July 2007, 19:50

Your cars ECU will monitor and adjust the idle speed according to the load of the engine. 600rpm sounds about right to me. Even if you turn on auxilary systems (such as the aircon) the idle should settle at around 600rpm (once the engine is warmed up).

So long as the idle isn't fluctuating wildly or the idle speed isn't at the point where your engine is almost stalling then your fine.

steve00117 · 24th July 2007, 14:32

Ok Thanks Simon, i'll stop worrying!

23rd July 2007, 13:12	#1
steve00117 Avid contributor 75 Saloon Con SE 2.0V6 Join Date: Jun 2007 Location: Oop North Posts: 134 Thanks: 0 Thanked 0 Times in 0 Posts	Adjusting idle speed Hi all, i have a 99 2.0 V6 Is it possible to alter the idle speed or is it controlled by the ECU? Mine idles at around 600 rpm without any aircon or lights etc turned on and seems a little on the low side to me.

23rd July 2007, 19:50	#2
Simon Banned - Join Date: Nov 2006 Location: - Posts: 10,318 Thanks: 0 Thanked 4 Times in 3 Posts	Your cars ECU will monitor and adjust the idle speed according to the load of the engine. 600rpm sounds about right to me. Even if you turn on auxilary systems (such as the aircon) the idle should settle at around 600rpm (once the engine is warmed up). So long as the idle isn't fluctuating wildly or the idle speed isn't at the point where your engine is almost stalling then your fine.

24th July 2007, 14:32	#3
steve00117 Avid contributor 75 Saloon Con SE 2.0V6 Join Date: Jun 2007 Location: Oop North Posts: 134 Thanks: 0 Thanked 0 Times in 0 Posts	Ok Thanks Simon, i'll stop worrying!