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This silverado is pissing me off. Posted By: TigerZ On: 08-05-2008 @ 07:15:58 Reply | Edit I'm getting really sick of this low idle on my Silverado. I've done everything under the sun and still have not been able to fix the idle. Once the car warms up it starts idling very low like 400-500 rpm. I'm about to say screw it and just manually turn up the idle speed. I have no codes(light works) I've replaced the EGR, PCV, IAC, TPS, and had all other sensors tested. I have gone over the vacuum lines a million times and have had no luck. I just had the 90k maintenance done which had my timing chain and gear replaced and timing adjusted (the low idle happened before that). I've replaced ALL the fuel components. And have solid fuel pressure. New plugs/wires New cap/rotor new MSD coil New battery Alternator bench tested fine Ignition, Air, Fuel. What am i missing? Should i just turn up the idle speed manually? The car drives fine, just has a low idle after about 10 min or so. Its a 1993 K1500 350 TBI -- K&N, Edelbrock, T5 swap, MSD, Flowmaster, 3.73s 3600watt sound system wrapped in falkon ziexs mmm  [ Edited on 08/06/2008 @ 04:54:29 ] Posted By: Jeremiah On: 08-05-2008 @ 11:12:04 Reply | Top | Edit Turn it up -- 2005 GMC 1500HD 6.0L, 2006 Pontiac Grand Prix 1991 Camaro - 24 Hours of LeMons race car. Pics: http://72.167.14.32/~jeremiah/24hoursoflemons/ 
"Political Correctness is a doctrine, fostered by a delusional, illogical minority, and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end." Posted By: TransAm64 On: 08-05-2008 @ 13:41:00 Reply | Top | Edit http://www.fullsizechevy.com/ There are alot of guys over there that know all about our trucks. -- 00' Trans Am convertible, M6 ,K&N, Edelbrock exhaust. SLP Loudmouth coming soon.  [ Edited on 08/05/2008 @ 13:41:44 ] Posted By: hot_red_z28 On: 08-06-2008 @ 00:00:55 Reply | Top | Edit One thing I didn't notice on your list of items was new plugs... Worn out plugs can cause that too... If that doesn't work, turn it up manually...  -- 
Read about the LT1: http://garrettreinard.bounceme.net/engine/engine.html Watch it idle: http://garrettreinard.bounceme.net/misc/lt1alive.wmv Posted By: TigerZ On: 08-06-2008 @ 04:54:12 Reply | Top | Edit oops. yeah i changed the plugs, twice. -- K&N, Edelbrock, T5 swap, MSD, Flowmaster, 3.73s 3600watt sound system wrapped in falkon ziexs mmm
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