iTech Posted September 5, 2009 Report Share Posted September 5, 2009 (edited) So I have a 2008 Silverado Single Cab as some of you may know, and having a problem. When I'm at stop lights or if I stop for a few seconds my truck's RPM seems like it wants to go lower & seems like the truck is just about to turn off but it doesn't.(Not every time) Even if warm it up for a couple minutes when I start and it still does it sometimes. Does anyone know why or how to fix it? Edited September 5, 2009 by tech2332 Quote My Official Feedback Thread PSN - tech2332 Games for PS3: Killzone 2, BattleField: Bad Company 2! Add me to play either! Link to comment Share on other sites More sharing options...
zfrerichs Posted September 5, 2009 Report Share Posted September 5, 2009 my truck does the same thing Quote Roseville, CA Link to comment Share on other sites More sharing options...
Florida heat Posted September 5, 2009 Report Share Posted September 5, 2009 (edited) well i dont know much about trucks but i know my car does something similar. try cleaning out the idle control valve will carb cleaner. theres a little screen in there so just try to clean that off. i did that and my car was idling better but it still did the same thing. i figured out its just my a/c fan whenever it turns on it lowers the rpm's. if the fan is off balance just a bit it will just wiggle and shake so that might be whats happening to your truck too. Edited September 5, 2009 by Florida heat Quote 4 sets of JL vr (discontinued) 6.5 components 4 JL wo 15" 2 JL/J2 1000.1 Alpine v power 400x4 Kenwood h/u all in a hyundai Link to comment Share on other sites More sharing options...
Tooshort064 Posted September 5, 2009 Report Share Posted September 5, 2009 Idle Control Sensor .... Quote 95 Civic Coupe Pioneer AVH-P7600DVD Kinetik HC-1200 In Front Kinetik HC-2000 In Rear Memphis 16-MCA3004 2 X Memphis 16-MCD1000 With Maxxsonics MLX-100 2 X DC LVL 4 XL 12's Pioneer Premier TS-C720PRS In Door's Kenwood KFC-6982ie In Rear Deck All Memphis Wire/Rca's and misc. Link to comment Share on other sites More sharing options...
Stephen Posted September 5, 2009 Report Share Posted September 5, 2009 its a 08 take it to the dealer Quote you can cook bacon shirtless if you're not a pussy...lol not hatin, but am i wrong here it looks as if the amp is not grounded its hooked directly to the battery. it that the way it should be. DC POWER Link to comment Share on other sites More sharing options...
littleitaly1990 Posted September 5, 2009 Report Share Posted September 5, 2009 Could very likely be a problem such as a cylinder misfire...is you check engine light on? One of my cylinders has a blown exhaust and it does this, really annoying, and kills gas milage. Quote A vitrolic, megalomaniacal sadistic psychopath. Link to comment Share on other sites More sharing options...
iTech Posted September 5, 2009 Author Report Share Posted September 5, 2009 its a 08 take it to the dealer I got it in early 07' and I think the warranty is out so I don't want to pay for something I don't need. Quote My Official Feedback Thread PSN - tech2332 Games for PS3: Killzone 2, BattleField: Bad Company 2! Add me to play either! Link to comment Share on other sites More sharing options...
Stephen Posted September 5, 2009 Report Share Posted September 5, 2009 I got it in early 07' and I think the warranty is out so I don't want to pay for something I don't need. bumper to bumper warranty is 3 years 36000 miles. even if you got it early 07 you are good till early 2010... as long as you are not over 36k. drive train warranty is longer. either 5 years 60k miles or 5 years 100k miles Quote you can cook bacon shirtless if you're not a pussy...lol not hatin, but am i wrong here it looks as if the amp is not grounded its hooked directly to the battery. it that the way it should be. DC POWER Link to comment Share on other sites More sharing options...
newls1 Posted September 5, 2009 Report Share Posted September 5, 2009 (edited) Actually sounds like a vaccum leak too, but like the guy above said, your warrenty should still be intact. **EDIT** try this, I have an issue with my 02 tahoe (same engine family as yours as long as you have a V8) Look at the drivers side back portion of the valve cover, there is a rubber grommet that that PCV valve goes into, see if it popped out (mine does all the time) and you will have a vacuum leak Edited September 5, 2009 by newls1 Quote I love my staffie So anti FACEBOOK it isn't even funny Link to comment Share on other sites More sharing options...
Colin - STAPUFT Posted September 5, 2009 Report Share Posted September 5, 2009 Vacuum leak was what I was thinking too. Even if it isn't that, that is something that is easy for you to check and fix yourself. At least you can rule that out after looking.... Quote 12 - 12"s in the STAY PUFT 1989 Chevy Astro Build & Comment Log Un-Interrupted Build LogYouTube Channel Chevy Trailblazer 5.1 Dolby Digital DTS Install You have a beard of a mysterious sea captain. I would follow you to hell and back. Link to comment Share on other sites More sharing options...
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