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Old 11-28-2009
Thread Starter
Join Date: Mar 2007
Location: Kenai, AK
Posts: 54
i hate my trucks PCM

whenever i shift gears, the RPM will drop to 2K and hold there, this makes shifting below 3K irritating, as 2nd gear is kind of a ***** to get in. also, if i come to a stop, the engine will stay at 1.5K for a few seconds, even when its at its normal temp.

why does my truck do this? i drove a couple of diesels a while ago (2000 and a 2008 PSD), and when you push the clutch in, the engine drops right down to idle, no bull****ting about it.
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Old 11-28-2009
Fx4wannabe01's Avatar
RF Veteran
iTrader: (23)
Join Date: May 2005
Location: Boring, Oregon
Posts: 21,721
It's called a 145K truck and things wear out.

Swap for a new IAC valve. It's sticking and causing the idle to stay high when you push in the clutch.
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Old 11-28-2009
ranger05's Avatar
Join Date: Jun 2009
Location: grand rapids michigan
Posts: 178
my idle drops to like 800 or 900 when i push in my clutch. ^^ what he said.
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