Idle problem
 

more about the idle problem: It idles up to about 1700rpm then drops to around 500 almost stalling i have to keep a little gas on or it will stall when it drops to 500

RE: Idle problem
 

what year?

RE: Idle problem
 

2000 chevy silverado 5.3L

RE: Idle problem
 

nevermind didnt read your other post

RE: Idle problem
 

Have you made any modifications to the intake recently? Or had any work done to it?

RE: Idle problem
 

bad tps???

RE: Idle problem
 

no mods done, its completly stock

RE: Idle problem
 

I wonder if a knock sensor would have that effect. Is it possible to leave it at a dealer overnight so they can check for codes on start up?

RE: Idle problem
 

mine did the same thing when my idle control valve went out a couple monthes ago. is that 2000 a distributorless system?

RE: Idle problem
 

Yes, the 2000s use seperate coil packs.