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04-22-2010, 12:04 PM #1
Adjust idle on 2002 Chevy Silverado 1500 4x4
How do I adjust the idle speed of my 2002 Chevy Silverado 1500 4x4?President/Founder
04-22-2010, 01:01 PM #2
There is no way to adjust the idle.. Why are you trying to adjust it anyway?? The computer controls a servo called the Idle air control valve.Mike
1997 Chevy S-10 Blazer 4X4 with 330K miles and counting (Hunting rig).
2009 Saturn Aura XE (wifes car)
2011 F-150 Crew 4X4
"Hold it to the floor till you see God.... Then Brake!!!!"
04-22-2010, 02:00 PM #3
On the idle air control valve on older TBI motors like mine, do you just turn the screw inside the valve with the spring around it to adjust your idle? Im pretty sure you can but im not positive.1995 Silverado,Z71, 3-inch lift,2-inch leveling kit, SkyJacker Suspension, short ram-air intake, throttle body spacer, MSD ignition coil, straight pipes
04-22-2010, 02:06 PM #4
If you do adjust your IAC the only thing that you will do is put the motor into closed loop, and it will run poorly with the CEL on.
04-22-2010, 02:22 PM #5
04-22-2010, 03:29 PM #6
if you really need to adjust it, a performance tuner such as the diablosport predator can change it. i would recommend the predator anyway if you want a bit mire performance. it does make quite a diffrence.
2001 Silverado Reg. Cab Not-So-Base -- SOLD
2003 Avalanche Z71. No Cladding. Check out my Mod thread.
1974 Triumph Spitfire 1500 - Work in Progress
2003 Sierra 3500 Duramax. The Newer, Better Work Truck
04-22-2010, 03:40 PM #7
Do they make one for my truck?
04-23-2010, 09:43 AM #8
What are you looking to change Silverado Junkie????
04-23-2010, 10:01 AM #9
- Join Date
- Apr 2010
- Piermont,NY, back in Northern NJ now, But may be in IL soon....
Rip out the Computer crap and put in a Great reliable 350.. It will get better HP and MPG's if done right...One day GM will learn...08 Z71 Avalanche Mods to date: K&N CAI,Hellwig Swaybars and End Links, Corsa Sport Exhaust, Superchips Programer,IPCW LOF & 3rd brake light and tails, AMI Gas door,Show Hooks and Door locks, Enkei Wheels, with Pirelli tires, StreetScene Bowties, Grant Steering wheel,Muth signal mirrors,SSBC Big Brake kit,Huskyliner Mug gards,Floor mats and Hood shield, McGard Lug nuts and locks, Bedrug, Cervini's Ram Air hood,35watt HID Fog lights, Sylvania bulbs all around ZXE's Highs and Lows, WhiteNight Back up lights,Sirius and HD Radio, SnugTop sitting on deck now Got a Softopper on now,Tempress Boat Hatches.... New Bilstein shocks are on... New Mods coming soon..... X
04-23-2010, 10:07 AM #10
Enkeiavalanche i hope you understand this is not an attack on what you have said it is more a spirited discussion.. I prefer that if it came with EFI that it stay that way and people actually achieve there power using it since it is just as reliable.. I dont prefer carbs to EFI in any way.. I like them both but i think it is amazing that done right you can have just as much power as every before with the reliablity of hitting the key in 30below weather and it start... Plus you put the hammer down and go like hell.
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