Questions & Answers for: Chevrolet Silverado 1500 black tube

...tube to your throttle body. Right there you should be able to see your butterfly. Open the butterfly, is it all brown/black? Needs to be cleaned. Your butterfly is more then likely sticking. Get some ...

...air out of the fuel rail. above both sides of the your engine (I have the 5.3 L) you will find two black tubes and one or both will have a little valve assembly like on you valve stems of you tires. ...

...tube from the body, get you some B-12 spray cleaner from your local parts house and a shop rag. Wet the rag good, push the throttle open and wipe out all the black coking you see. You can spray some ...

...black tube The black box is your EVAP charcoal canister, and the black tubes are the vacuum lines to your gas tank and engine which should be vacuum tight to ensure there is no leaks. Good luck and ...

...tube hooked up to the radiator. Not that one!! But the other aluminum tube hooked up to your firewall going into the cab. Both of em looks alike. Is a quick coupler fitting with a black cap on

...black fittings worked just fine for me. You will need to use a fuel line disconnect tool to remove the existing fittings from the heater core. These should run between 10 and 20 bucks for a set. Good ...

tube that goes from the throttle body to the air filter and use a rag and clean the butterfly valve and the black ring around if you move it by hand it should not get stuck it should be free. there is

tube had to be sprayed several times because each time we started the engine lots of black thick build up shot out. We then disconnected the battery for ten minutes, re-connected it, started the truck

...black smoke out the tail pipe. could be the fuel pressure regulator ruptured. it is located on top of the engine on the drivers side, its round and has one vacuum tube coming off it. remoe the vacuum ...

...and puffs black smoke when cold pls help It is getting extra fuel during cranking suggest to test the fuel pressure regulator it has a small tube on it if gas is in it then the diaphragm is