2000 Chevrolet Blazer "hiss light stays" Questions

light stays on code p0440 comes up have replaced gas cap light came back on where are the sensers loacted as well as the evaporative emission canister as well a diagram for hose routing Evap cannister

...came on after driving approx 3 to 5 miles. light did not stay on. immediately returned home. heard hissing sound but no visible steam anywhere. Coolant level was low...added coolant and drove ...

...hiss. If you don't find anything, get a timing light, and check your timing marks. They should stay in basically one spot. If it's jumping around a lot, you need a new timing chain or belt. Good

...you pull the gas cap, you don't hear that quick suction loss/hiss, the gas cap needs replaced and will cause the light to come on and stay on till you replace the cap. These are sealed fuel

...5 minutes and went off. When I stopped water ran down and steam came up thru the hood with the hissing sound. The Temperature gauge was rising up to the top. Turned off before over heating? ...

...light stays on and hissing noise on fan belt Take it to a auto parts store nd have the codes pulled (they can clear it too). Post the codes. If the belt is squeaking - get a new belt while you're ...

...stays on as long as the engine light is on then it stops. When im riding, the light does not come on but the noise seems like it comes and goes. Anyone have any ideas? Im willing to try anything The ...

...it controls ait into the engine when throttle is closed. 2. do you hear loud fog horn like sound or hissing. this could indicate a vaccum leak. 3. are there any performance problems while driving. my ...

...have a hole in one of the tubes..nothing to worry about. You can get under car and listen for a hissing sound..I repaired mine with air line from a fish

...light to come on and stay on. Now I can't get it inspected. Please help me!! The first and easiest thing you should do or have someone do, is check under the hood for a vacuum leak, possibly coming ...