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Mike The Canadian · 08-26-2013, 12:45 PM

Just curious on what could cause this..

My idle is set to around 750-800 rpm in my tune..
Ever since getting the heads done when I shift from P to D it drops to about 400-500 and then raises back up.

What could cause this?

I fixed a tonne of vac leaks (anyone who knows my car will laugh) last time I was at home. It was better but still does it.

I almost want the vac leaks back, stiff tranny mount + idle at set speed instead of above = a lot of vibes!!

08-26-2013, 12:45 PM	#1
Mike The Canadian GL Member Join Date: Oct 2010 Location: Toronto, Ontario Posts: 298	RPM drop when shifting from P to D Just curious on what could cause this.. My idle is set to around 750-800 rpm in my tune.. Ever since getting the heads done when I shift from P to D it drops to about 400-500 and then raises back up. What could cause this? I fixed a tonne of vac leaks (anyone who knows my car will laugh) last time I was at home. It was better but still does it. I almost want the vac leaks back, stiff tranny mount + idle at set speed instead of above = a lot of vibes!! __________________