Check Engine Light Gas Cap Antics - A Quick Fix for Peace of Mind

What causes this warning, as well as the check engine light to come on, is a fault with the fuel tank emissions/vapor emissions as a small leak has been ... The Check Engine light may come on some time after filling up if your gas cap is not closed properly. If you do find that the gas cap wasn't ... While in Ouray I started the truck up and started driving, check engine light came on and truck drove like there was engine problems. truck ... A gas cap that is not tight can cause the fuel system to leak, triggering the check engine light. At Fort Collins Muffler & Automotive, we can ... Why Check Engine Light Due To Gas Cap Happens? The fuel tank contains fuel, which is the material needed for the combustion process. The vehicle will run if the ... It will eventually go away if it was just the gas cap or if you want you can disconnect the battery(this will clear the code) and see if it comes back. until something goes wrong. If your gas cap has an issue, it will usually cause a Check Engine Light to appear. When this happens, it either ... Okay? It could also mean. that you need to replace your gas cap. Because these do get old. And if you get a new one, it's perfect ... Gas cap check engine light ._. ... it turns out that it was really the loose gas cap, it's now tightened... anyone knows if the light needs to be ... The Smog Check failure must not be due solely: To an ignition timing adjustment, or. A failed gas cap function test, or. A tampered emissions control system ...