idle rpm

tempfixit · #1 02-13-2011, 03:37 AM

Does any one know what the idle rpm should be for a 98 3.0??

Also what is the timing suppose to be set at??

thanks

kafkacell · #2 02-14-2011, 04:58 AM

750 + - 850 RPM at idle.

tempfixit · #3 02-14-2011, 05:34 AM

Quote:

Originally Posted by kafkacell

750 + - 850 RPM at idle.

thanks kafkacell, I have ordered a cd service manual but has not arrived yet. I will adjust as mine idles @ 660 rpm at idle at normal operating temp according to my obdcom scanner on my laptop and timing is I believe 16.5% which I have read is none adjustable.

kafkacell · #4 02-14-2011, 10:46 AM

Hi, IDLE is not adjustable. It's adjusted by IACV (Idle Air Control Valve). Maybe it's dirty. Remove it and use carb cleaner to clean the IACV.

regards.

Here you can see how to do it: http://leckemby.net/windstar/windstar02.html

tempfixit · #5 02-14-2011, 11:18 AM

Quote:

Originally Posted by kafkacell

Hi, IDLE is not adjustable. It's adjusted by IACV (Idle Air Control Valve). Maybe it's dirty. Remove it and use carb cleaner to clean the IACV.

regards.

Here you can see how to do it: http://leckemby.net/windstar/windstar02.html

Thanks again kafkacell, I did not know it was unadjustable. I will clean, maybe that is why it idles a little ruff periodically.

tempfixit · #6 02-15-2011, 02:23 PM

I cleaned the IAC and throttle body this morning, did not seem to make a difference in warm idle. Seems to idle a little smoother tho.

thanks

kafkacell · #7 02-15-2011, 04:05 PM

You can test IACV by disconneting the cable with the engine off. Then try to start it. It should stall. Also with engine on disconnect the wire and idle should change and try to stall. Let us know the results, maybe IACV is bad.

Other symptom is when you are doing maneuvre park sometimes engine stalls.

Mine was really bad and engine stalled at every corner... cleaning did not help much, I had to change it.

tempfixit · #8 02-15-2011, 07:31 PM

I disconnected the IAC, it wanted to stall but kept running just barely. Hooked the connector back up and it increased rpm and leveled out. I do NOT have any driveability problem so I am going to leave it go for now as there are other repairs that should be done first. 02 sensors, shocks, struts. thanks

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